Tutorials Posted by modulo51
| modulo51 from University of California, Berkeley |
| |
| modulo51's Posted Tutorials | |||||
| Bounty | Category | Question | Tutorial | Date Posted | |
|---|---|---|---|---|---|
| $15.00 | Computer-Science | Book class question | Java: 3 classes, BookInventory, Scanner input of bookdata, ArrayList<Book>, NetBeans project, UseNotes, ScreenShot
...toryLogic.bookInfoAtIndex(); break; case 4: // quit break; default: System.out.println( ...... | Nov 04, 2009 at 11:41:38PM | |
| $15.00 | Computer-Science | CustomerHistory assignment | Java: CustomerHistory, Scanner input, SortedMap<key,value>,NetBeans project, UseNotes, ScreenShot
...inFileName; // = "transdata2.txt"; private static Scanner inStream; // This is the real key to this program: using a SortedMap private static SortedMap sortMap = new TreeMap (); //...... | Oct. 31, 2009 at 12:19:23AM | |
| $15.00 | Computer-Science | Book info with more than a main | Java: 3 classes, read w/ Scanner, publisherName to SortedSet<String>, NetBeans folder, UseNotes
...ld used for this exercise: bookObj.setPublisher(strTok.nextToken()); // store just the publishers name in the sorted set: ss.add(bookObj.getPublisher()); // this...... | Oct 26, 2009 at 9:47:34PM | |
| $10.00 | Computer-Science | Need more than a main....again. | Java: 2 classes, read file, revese write text, show absolute file paths, NetBeans folder, UseNotes, ScreenShot
...new BufferedReader(new FileReader(inFileName)); // Creates a file writer to write data to the output file outputFile = new File(outFileName); ...... | Oct 20, 2009 at 10:06:03PM | |
| $1.00 | Mathematics | The second angle of a tri... | Detailed solution...
...that the sum of the angles is 180: f + s + t = 180 now substitute for s and t so that we're left with an equation for f only: ... | Oct 18, 2009 at 10:32:27PM | |
| $4.00 | Computer-Science | Java help | Java, Employee class with 1 constructor, 2 get methods, 1 set methods, UseNotes.
....name = new String(nameIn); this.salary = salaryIn; } // get or accessor methods: public String... | Oct 18, 2009 at 3:30:19PM | |
| $7.00 | Computer-Science | basic conversions | Java: solution and UseNotes describing solution
...ouble cashMoney = 2.39; java.text.DecimalFormat df = new java.text.DecimalFormat("0.00"); System.out.println("Exercise 2: $" df.format(cashMoney)); // Ex 2 //The exercise...... | Oct 17, 2009 at 10:50:48PM | |
| $5.00 | Computer-Science | Need more than a Main | Java: 3 classes, Scanner input, sort, PrintWriter output(appending), NetBeans folder, UseNotes
...getName() { return new String(this.name); } public double getPrice() { return this.price; } // set or mutator methods: public void setId(int idIn) { this.id...... | Oct 17, 2009 at 9:52:09PM | |
| $5.00 | Computer-Science | Java program help | Java:: Single class (main), while loop, prints count, sum, average. UseNotes
...(0 or negative will terminate): "); num = Integer.parseInt(keyboard.nextLine()); if (num break; } else { sum += num; ...... | Oct 17, 2009 at 2:28:58PM | |
| $19.00 | Computer-Science | address book | Java: Address AddressBook(main()) classes, Vector<Address>, NetBeans folder, UseNotes, ScreenShot
.../ Number of donations must be non-negative. Zero is acceptable: static int inputNumberDonations() { int num; while (true) { System.out.print("Enter number of...... | Oct. 17, 2009 at 12:45:27AM | |
| $10.00 | Computer-Science | I am lost netbeans | Java:, read, sort, write to files(appending), Scanner in, PrintWriter out, NetBeans folder, UseNotes, ScreenShot
...t = 0; // keep reading until file is exhausted: while (inStream.hasNext()) { count++; line = inStream.nextLine(); System.out.print(" " +...... | Oct. 16, 2009 at 12:30:04AM | |
| $15.00 | Computer-Science | Library Fine Calculator Part 2 and 3 | Java: 2 class solution, NetBeans folder, UseNotes, ScreenShot
... double finePerDay; // constructor: public LibraryItem(String name, int days, double fine) { this.nameOfItem = name; this.daysOverdue = days; this.finePerDay = fine; ...... | Oct 15, 2009 at 11:39:01PM | |
| $15.00 | Computer-Science | java2 | Java: single class file, NetBeans folder, UseNotes, ScreenShot
...op and a do...while loop.\n"); Squares.squareFor(); Squares.squareDoWhile(); } static void squareFor() { System.out.println("\nThe squares using a for statement are:");...... | Oct 11, 2009 at 02:14:29PM | |
| $14.00 | Computer-Science | Java Array Help | Java: read files with Scanner, write with Printwriter, manipulate data, ScreenShots
...numbers in reverse order are: "); outStream.println("\nThe positive numbers in reverse order are: "); for (int k = 14; k >= 0; k--) { if (a[k] > 0) { ...... | Oct 10, 2009 at 10:52:06PM | |
| $2.00 | Computer-Science | 1.Declare two arrays:One of the String | Java: Q 1: initialization of String[] array int[] array.
...] args) { String[] allNames = {"Jen", "Je... | Oct 08, 2009 at 11:48:47PM | |
| $2.00 | Computer-Science | any ideas | Java: two for loops and Math.pow(...) to print output, ScreenShot
... static void main(String[] args) { for (int row = 1; row System.out.prin... | Oct 08, 2009 at 11:36:42PM | |
| $8.00 | Computer-Science | Addtional help-Product Record | Java: add class to get user input write to text file(appending), NetBeans project, UseNotes, ScreenShot
...ding enabled.\n"); } catch (Exception e) { System.out.println( "openProductFileForWrinting, " e.toString()); } } public...... | Oct 05, 2009 at 8:57:59PM | |
| $7.00 | Computer-Science | Programming essentials help | Java,Paint program, Scanner input, Math.ceil, UseNotes, ScreenShot
...highest integer. // It's ok to have some left over but not to be short! int gallonsNeeded = (int) Math.ceil(area / paintCoverage); double paintCost = gallonsNeeded *...... | Aug. 25, 2009 at 12:48:27AM | |
| $2.00 | Mathematics | I need help with 2 questions tonight. Its due in a few hours. SOMEONE HELP ME understand these two work problems. | Solution to both problems...
... (doc/min) Working together they need to completer 1 documents: d = (d/16)*t (d/8)*t or 1 = t/16 t/8 mult by 16 16 = t 2*t 16 = 3*t or t = 16/3 = 5 and 1/3 min or 5.33 min or 5 min 20 sec...... | Aug. 18, 2009 at 12:19:42AM | |
| $7.00 | Computer-Science | Create a Book class that stores book information | Simplified single source file only...for kipkemboi...
... "Invalid choice, please try again.");<br> } else {<br> return choice;<br> }<br><br> }...... | Aug. 08, 2009 at 12:52:34AM | |
| $15.00 | Computer-Science | OOP Program | Java: BookInventory, ArrayList<Book>, Scanner input, NetBeans folder, StringTokenizer, UseNotes, ScreenShot
... baloney.setISBN("0446386405");<br> baloney.setPublisher("Warner Books");<br> baloney.setPrice(6.95);<br><br> Book.bookList.add(bal...... | Aug 07, 2009 at 10:45:40PM | |
| $13.00 | Computer-Science | help with java | Java: CustomerHistory, processing, Scanner input, SortedMap<key,value>, StringTokenizer, consoleOutput, UseNotes
...quot; + inFileName + " ,\\\\n" +<br> "program will exit.");<br> } else { // file opened, read to process:<br><br> //...... | Aug 06, 2009 at 11:13:33PM | |
| $15.00 | Computer-Science | java help | Java: BookInventory, ArrayList<Book>, Scanner input, NetBeans folder, UseNotes, consoleOutput
...e());<br> }<br><br> public static void bookInfoAtIndex() {<br><br> System.out.print(<br> "Enter index of book: ");<br> ...... | Aug 05, 2009 at 10:16:30PM | |
| $15.00 | Computer-Science | Create a Book class that stores book information | Java: BookInventory, Scanner input, ArrayList<Book>, NetBeans folder, UseNotes, consoleOutput
...<br> }<br><br> String getPublisher() {<br> return new String(this.publisher);<br> }<br><br> double getPrice() {<br> return...... | Aug 04, 2009 at 11:38:38PM | |
| $9.00 | Computer-Science | Lottery Problem | Java: Lottery picks, NetBeans folder, UseNotes, ScreenShot, conolteOutput
... }<br> }<br> // get index to pick number out of array:<br> int index = (int) ((49 - drawNumber) * Math.random()); // 0 to 48<br> int retNum =...... | Aug. 04, 2009 at 12:19:15AM | |
| $13.00 | Computer-Science | java help homwork | Java: CustomerHistoryProcessing, Scanner input, SortedMap<key,value>, StringTokenizer, UseNotes, consoleOutput.htm
...quot;\\\\n Processing transaction file:");<br> int count = 0;<br> while (inStream.hasNext()) {<br> count++;<br> String...... | Aug. 02, 2009 at 12:30:29AM | |
| $5.00 | Computer-Science | please help me understand how to make this program. | Java: Dice 36,000 rolls, Random class, tabulated results, NetBeans project, UseNotes, consoleOuputt
...tic int[] values = new int[11];<br><br> static void runSimulation() {<br><br> Random die = new Random();<br><br> int sum = 0;<br> for...... | Jul 30, 2009 at 11:52:48PM | |
| $15.00 | Computer-Science | java help homework | Java: Scanner input, SortedSet<String>, NetBeans folder, StringTokenizer, UseNotes, consoleOutput
... System.out.println(<br> "\\\\n\\\\tProgram to get unique prublishers name from a data file.\\\\n");<br><br> java.util.SortedSet<String> ss =...... | Jul 30, 2009 at 01:39:57PM | |
| $10.00 | Computer-Science | Help please 7 | Java, Scanner input, SortedMap<key,value>, StringTokenizer, UseNotes, consoleOutput
...; ");<br> try {<br> int id = Integer.parseInt(strTokz.nextToken());<br> strTokz.nextToken(); // neglect this field<br>...... | Jul 30, 2009 at 01:32:58PM | |
| $15.00 | Computer-Science | Help please 8 | Java: Book & Demo classes, BufferedReader input, NebBeans folder, UseNotes, ScreenShot
...(), // ISMB<br> Double.parseDouble(inStream.readLine().trim())); // price<br><br> // this displays each book as it's being read in:<br>//...... | Jul 28, 2009 at 10:58:24PM | |
| $15.00 | Computer-Science | Help please 6 | Java: SortedSet for Strings, Scanner input, NetBeans project, UseNotes, consoleOutput.txt
...try {<br> inStream = new Scanner(new File(inFileName));<br> } catch (Exception e) {<br> System.out.println(e.toString());<br> }<br><...... | Jul. 28, 2009 at 12:59:23AM | |
| $15.00 | Computer-Science | Java book inventory program | Java, BufferdReader for file input, Book Class & a Demo class, UseNotes, ScreenShot, consoleOutput.txt
...<br> // zero argument constructor:<br> public Book() {<br> this.title = " unitialized";<br> this.authorFirstName = " unitialized";<br...... | Jul 25, 2009 at 11:00:57PM | |
| $10.00 | Computer-Science | OOP Java | Java, BufferedReader & Writer, read text, reverse & wirte to file, absolute paths, NetBeans folder, ScreenShot, UseNotes
... // a null is returned when end of file reached:<br> if (line == null) {<br> break; // break out of the while() loop<br> ...... | Jul 24, 2009 at 10:23:18PM | |
| $10.00 | Computer-Science | I need to have this C++ program done in 30 minutes if posssible, thank you! | C++, program as specified, ScreenShot
... "<<t1<<"\\\\t"<<t2<<"\\\\t"<<t3<<"\\\\t"<<t4<<"\\\\t"<<t5<<endl;<br> <br> ...... | Jul 23, 2009 at 10:58:42PM | |
| $7.00 | Computer-Science | Homework help Java | Java, sort into 2 output files, append, NetBeans project, PrintWriter UseNotes
...openOutputFiles();<br> firstCall = false;<br> }<br><br> if (errorCondition) {<br> return;<br> }<br><br> ...... | Jul 22, 2009 at 01:55:00PM | |
| $11.00 | Computer-Science | C++ program help | C++, file IO, menu: add data, display, find highest, ScreenShot, UseNotes
...ed any help with this tutorial.<br>#include <cstdlib><br>#include <cstdio><br>#include <iostream><br>#include <fstream><br>#include <string>...... | Jul 20, 2009 at 11:44:07PM | |
| $15.00 | Computer-Science | C++ classes, objects, object oriented design | C++, Simulation of Jiffy Lube, 30 days, 12hrs/day, 3 bays, uses queue, carsServed,wait & idle times,ScreenShot, UseNotes
...<<"\\\\n Total idle time (all bays empty together): "<<<br> baysIdleTogether30Day<<endl;<br> <br> cout<<"\\\\n\\\\n";<br...... | Jul 19, 2009 at 5:04:40PM | |
| $11.00 | Computer-Science | Help Please 4 | Java, read input,txt, reverse and write output, print absolute paths, NetBeans project folder, ScreenShot, UseNotes
... break; // break out of the while() loop<br> }<br> System.out.print("\\\\n" + line);<br><br> //...... | Jul 18, 2009 at 9:54:54PM | |
| $5.00 | Computer-Science | C++ program help | C++, guessing game program, fixed by modularizing, ScreenShot, UseNotes.
...ice : ";<br> cin>>selection;<br> //input validation<br> if(selection < 1 || selection > 3)<br> cout<<"That selection is invalid....... | Jul 18, 2009 at 9:08:41PM | |
| $12.00 | Computer-Science | java help home work | Java, read input, reverse and write output, print absolute paths, ScreenShot, UseNotes
...<br> // keep reading until an exception is thrown:<br> while (true) {<br> try {<br> line = inStream.readLine();<br>...... | Jul 18, 2009 at 02:18:57PM | |
| $10.00 | Computer-Science | Develop an application that reads product id, product name and product price from an input text file. | Java, read txt file w/Scanner, sort, write w/ PrintWriter, appending, NetBeans folder, UseNotes, ScreenShot
... String productName = new String(part[1]);<br><br> // price is the third element of the line:<br> double price = Double.parse...... | Jul 15, 2009 at 11:56:09PM | |
| $13.00 | Computer-Science | I need help in writing a C++ programs (a | C++, program fixed, w/ min changes, ScreenShot, UseNotes
...nction to display the average of days absent<br> cout<< "\\n\\nAverage days missed per employee: "<<<br> AverageDaysMissed(days, employees)<<"\\n\\n...... | Jul 14, 2009 at 11:54:08PM | |
| $10.00 | Computer-Science | Java - read text from an input file and write to new output file based on values | Java, read, sort, write to files, Scanner to read, PrintWriter to wrtie,NetBeans project foldeer, ScreenShot, UseNotes
... int count = 0;<br> // keep reading until file is exhausted:<br> while (inStream.hasNext()) {<br> count++;<br> line =...... | Jul 14, 2009 at 01:26:56PM | |
| $12.00 | Computer-Science | C++ using class, objects and object-oriented design #4 | C++, Trapazoid Open_channel class program, ScreenShot, UseNotes
...n_channel {<br> private:<br> double Q;<br> double w;<br> double s;<br> static const double g = 32.2;<br> <br> public:<br> Open_channe...... | Jul 12, 2009 at 7:38:17PM | |
| $0.25 | Computer-Science | SoF Users BEWARE!!! You MUST read this!!! | I also received the same message Fri. 7/10
...e site. I have my doubts that anything deleterious will happen. ... | Jul 10, 2009 at 10:28:23PM | |
| $4.00 | Computer-Science | C++ using Inheritance and Polymorphism | C++ Simple program: No Inheritance or Polymorphism, open and read using ifstream, ScreenShot, UseNotes.
... " , Weight: "<<setw(7)<<W*Vb<<<br> " , Force: "<<setw(6)<<F<<" (Newtons)"<<endl;<br> }<br> ...... | Jul 09, 2009 at 11:08:04PM | |
| $15.00 | Computer-Science | java help homework | Java Part2, read txt file using Scanner, NetBeans folder, ScreenShot, UseNotes.
...!!! Problem opening file, program will be terminated !!!");<br> } else {<br> String line;<br> int id;<br> String name;<br>...... | Jul 06, 2009 at 10:48:43PM | |
| $15.00 | Computer-Science | Help Please 2 | Java, Part2, NetBeans project folder, read file w/ Scanner, UseNotes, ScreenShot,
...exception will be thrown when end of file is reached:<br> try {<br> line = inStream.nextLine();<br><br> parts = line.split(...... | Jul. 06, 2009 at 12:26:14AM | |
| $10.00 | Computer-Science | Help Please | Java Part1, keyboard input w/ Scanner, write to text file using PrintWriter
...me, price));<br> }<br> }<br> }<br> // need to close file to get it written properly:<br> closeFile();&l...... | Jul 05, 2009 at 5:21:39PM | |
| $30.00 | Computer-Science | Java - gather user input and write to a text file | Java Part1 & Part2, IO using Scaneer, PrintWriter, ScrenShots, UseNotes
...ce: ");<br> // get a comple line<br> line = kb.nextLine();<br> // split line into substrings<br> part = line.split(" "); // spaces...... | Jul 04, 2009 at 10:20:51PM | |
| $10.00 | Computer-Science | Help me with this C++ problem. only use | C++ JulianDayNumber program, ScreenShot, UseNotes
...>int getDay();<br>int getYear();<br><br>int JDN(int,int,int);<br>bool Gregorian(int,int,int);<br>// for display convenience<br>string DayOfWeek(int); <br>s...... | Jul 03, 2009 at 10:01:47PM | |
| $17.00 | Computer-Science | Java Graphics | Java GUI, Graphics2D, Timer, ActionListener, ScreenShots, UseNotes
...lass NeonSignGUI extends JFrame implements ActionListener {<br><br> int paintCount = 0; // used in paint()<br><br> // constructor:<br> public NeonSignGUI() {<...... | Jun. 25, 2009 at 12:36:22AM | |
| $12.00 | Computer-Science | Java | Java GUI, GeneralPath, ActionListener, random fonts, colors, ScreenShot, UseNotes
...color to fill arrow:<br> Random rand = new Random();<br> float red = (float) (rand.nextInt(100) / 100.00);<br> float green = (float) (rand.nextInt(100) / 100.00)...... | Jun 19, 2009 at 10:57:44PM | |
| $15.00 | Computer-Science | java help homework | Java GUI, GeneralPath, ActionListener, Random Fonts, ScreenShot, UseNotes
...:<br> displayText(g2d);<br><br> }<br><br> private void displayText(Graphics2D g2d) {<br> Random rand = new Random();<br><br> ...... | Jun. 19, 2009 at 12:56:09AM | |
| $17.00 | Computer-Science | java homework help | Java GUI radio buttons, text fields, button with ActionListener ScreenShot UseNotes
...awt.*;<br>import java.awt.event.*;<br><br>public class CarLoanGUI extends JFrame implements ActionListener {<br><br> JRadioButton b1, b2, b3;<br> JTextField...... | Jun. 16, 2009 at 01:27:17AM | |
| $5.00 | Computer-Science | C++ arrays for matrices | C++ Matrix Multiplication, open & read external file, UseNotes, ScreenShot
...<br> <br> // read in the data:<br> getA();<br> getB();<br><br> // calculate prouduct AxB:<br> multAxB();<br> <br> //...... | Jun 15, 2009 at 11:43:00PM | |
| $5.00 | Computer-Science | the formula to calculate the monthly pay | Amortization equation in Excel, wikipedia reference, sample values.
...th your equation. I looked it up on wikipededia and obtained the valid equation. <br><br>Here\'s what the monthly payment should be:<br><br>=(D9/12*C9*(1+D9/12)^E9)/... | Jun 14, 2009 at 10:54:45PM | |
| $5.00 | Computer-Science | For Modulo51 ONLY! | Payroll3.java, UseNotes, ScreenShot
...br> // each employee has these values:<br> private String employee_name;<br> private double hourly_wage;<br> private double num_hours;<br><br> // need...... | Jun. 14, 2009 at 12:58:58AM | |
| $17.00 | Computer-Science | Swing Applet | Java JApplet , source file, HTML page, ScreenShots, UseNotes
...> * into the browser.<br> */<br> @Override<br> public void init() {<br> Container cp = new Container();<br> getContentPane().setLayout(new...... | May. 10, 2009 at 12:15:27AM | |
| $15.00 | Computer-Science | Write two functions, max3() and min3() that will find the largest and the smallest of 3 integers. | Java min & max of 3 integers, Scanner input from keyboard, display, ScreenShot, UseNotes
...display(k1, k2, k3);<br><br> kb.nextLine(); // this is need when you mix nextInt() & nextLine() methods<br> System.out.print(<br> "...... | May 03, 2009 at 7:05:13PM | |
| $15.00 | Computer-Science | Write a Java program that lets the user to enter the last names of five candidates in a local election and their votes. | Java Scanner input, of String[], int[], calcs, formatted output, ScreenShot
...an election summary.\\n");<br><br> int sum = 0; // sum of votes<br> // get each candidate's name & votes received<br> for (int k = 0; k < 5; k++) {...... | May 03, 2009 at 4:54:32PM | |
| $10.00 | Computer-Science | Create a Java program that declares 50 double elements in array alpha. | Java simple array ops, modulo, %. to control printing, ScreenShot, consoleTextOutput
... 10 values are printed on each line. The operator returns<br> * the remainder from integer division. Note that since array indices <br> * start at 0 then the first 25 values have index...... | May 03, 2009 at 3:57:53PM | |
| $20.00 | Computer-Science | Two Simple Java Program Excercises | Java finding digits in String program, NumberFormatException handling prog, UseNotes, ScreenShots
... \'9\'};<br> boolean digitFound = false;<br> for (int k = 0; k < lineIn.length(); k++) {<br> for (int j = 0; j < 10; j++) {<br> ...... | May 02, 2009 at 7:59:16PM | |
| $1.50 | Mathematics | To All- Keith the coin collector alway | Coin problem: detailed solution
... the coins kept:<br><br>pennies + nickels + dimes + quarters = 5902<br>express it in cents by multiplying the number of coins by their value:<br><br>0.1*500 + 0.1*1000*5...... | May 02, 2009 at 01:08:20PM | |
| $13.00 | Computer-Science | java homework help | Java Sales.java & SalesApplication.java, jar file, UseNotes, ScreenShot, console output
...Person - 1][product - 1] =<br> Double.parseDouble(parts[2]);<br> }<br><br> } catch (Exception e) {<br> System.out.prin...... | May 01, 2009 at 01:54:51PM | |
| $7.00 | Computer-Science | Java Programs | Java Arithmetic & ArrayBounds exceptions, Use Notes
...<br> try{<br> for(int k=0; k<10; k++ ){<br> System.out.println("array["+k+"]= "+array[k]);<br> }<br> ...... | Apr 23, 2009 at 11:18:14PM | |
| $9.00 | Computer-Science | java homework help | Java tempeature conversion, static methods, do-while repeat loop, ScreenShot, UseNotes
... do {<br> System.out.print("Enter temperature: ");<br> temp = Double.parseDouble(kb.nextLine());<br> System.out.print("Temperature...... | Apr 19, 2009 at 10:39:14PM | |
| $8.00 | Computer-Science | JAVA USING NETBEANS | Java use exception to catch non-number input ScreenShot UseNotes
...ers. The program 'traps' non-numbers, an integer\\n" +<br> "value is OK.\\n");<br><br> double sum = getNumbers();<br><br> ...... | Apr. 18, 2009 at 12:52:56AM | |
| $6.00 | Computer-Science | java homework help | Java pig latin translator, single word at a time, methods for word input, word translation, uses String.split(" &qu
...s put more than one word on the line.<br> * <br> */<br><br>public class PigLatin2 {<br><br> static java.util.Scanner kb = new java.util.Scanner(System.in);<b...... | Apr 16, 2009 at 11:48:09PM | |
| $4.00 | Computer-Science | java code help | Java prompts for repeat operation, neaten prinnts, added comments.
...: ");//prompt for number<br> product = Integer.parseInt(input.nextLine().trim());<br> }<br><br> System.out.print(" Enter quanity...... | Apr. 14, 2009 at 12:34:14AM | |
| $3.00 | Computer-Science | Please help | Java Paint program, Scanner input, Math.ceil(), ScreenShot, UseNotes
... price of paint:<br> System.out.print("Price of paint per gallon: ");<br> double costPerGallon = Double.parseDouble(kb.nextLine());<br><br> //...... | Apr 11, 2009 at 9:34:18PM | |
| $14.00 | Computer-Science | java homework code help | Java keyboard input w/ Scanner, switch(), sum & print of total num items sold, & total value sold., UseNotes.
..., 6.87};<br> <br> // keyboard is Scanner:<br> static java.util.Scanner kb = new java.util.Scanner(System.in);<br><br> public static void main(String[] args) {...... | Apr 11, 2009 at 7:01:17PM | |
| $25.00 | Computer-Science | JAVA Student Test Scores and Defined Methods | Java Grades, file I/O using Scanner, PrintWriter, ScreenShot of output text file, UseNotes
...ot;information to an separate external file.\\\\n");<br> // open input & output files;<br> openFiles();<br><br> // arrays to store data:&l...... | Apr 11, 2009 at 1:03:58PM | |
| $10.00 | Computer-Science | please help me with java homework | Java extended classes, overridge toStinrg(), constructor, super() ScreenShot UseNotes
...<br><br> // show a very compact way:<br> display("\\nConstruct another Trial object using compact code:\\n" +<br> new Trial("Joah&qu...... | Apr. 11, 2009 at 12:29:16AM | |
| $9.00 | Computer-Science | JAVA GUI mortgage calculator | Java GUI with JButtons, JTextFields, implements ActionListener, ScreenShot, UseNotes
...xLayout.PAGE_AXIS));<br> retPnl.add(local);<br> retPnl.add(local2);<br> retPnl.add(local3);<br><br> return retPnl;<br> }<br><...... | Apr 08, 2009 at 11:47:05PM | |
| $5.00 | Computer-Science | java help | Java GUI radio buttons, text fields, button with ActionListener ScreenShot UseNotes
...rt java.awt.*;<br>import java.awt.event.*;<br><br>public class CarLoanGUI extends JFrame implements ActionListener {<br><br> JRadioButton b1, b2, b3;<br> ...... | Apr. 07, 2009 at 12:15:57AM | |
| $0.50 | Computer-Science | can anyone help me with my java assignment ?! | Java: mods to previous post: NOT a standalone program: purchase above program first!
...se are empty because the assign... | Apr 05, 2009 at 7:42:27PM | |
| $47.00 | Computer-Science | can anyone help me with my java assignment ?! | Java product inventory, file I/O, sorting, extended classes, UseNotes
... + e.toString());<br><br> }<br><br> }// End<br> private void handleInput(String line) {<br> String[] local;<br> local = line.split(...... | Apr 05, 2009 at 5:22:26PM | |
| $10.00 | Computer-Science | Java Mortgage Calculator | Java Mortgage payment schedule, user input to cont/exit, ScreenShot, UseNotes
...(int k = 0; k < 12 * term; k++) {<br><br> interest = (intRate / 12.0) * balance;<br> principleReduction = payment - interest;<br> // last...... | Apr 04, 2009 at 01:40:40PM | |
| $24.00 | Computer-Science | GPA Java problem | Java file I/O , calc & display averages, ScreenShot, UseNotes, jar file
...new Scanner(new BufferedReader(new FileReader("input.txt")));<br><br> double fSum, mSum;<br> fSum = mSum = 0.0;<br> int fCount = 0,...... | Apr 02, 2009 at 01:02:01PM | |
| $29.00 | Computer-Science | Java Programming: Graphical User Interface (GUI) problem | Java GUI, single class file, UseNotes, ScreenShot, jar file
...teTitledBorder("You you want crowns?"));<br> local.setLayout(new GridLayout(1, 0));<br> JPanel left = new JPanel();<br> left.add(new JLabel("Numbe...... | Apr 01, 2009 at 10:54:25PM | |
| $1.00 | Mathematics | kent jones has 1.95$ consisting of 7 U.S | Solution
...sum: 195<br><br>I got this by mentally subtracting out 2 times so that what was left, 175, contained multiples of ... | Mar 29, 2009 at 11:31:56PM | |
| $10.00 | Computer-Science | Tic-Tac-Toe Array Program | Java non-GUI, single class file, ScreenShot, UseNotes
..." + (r + 1) + " / ");<br> for (int c = 0; c < board[r].length; c++) {<br> System.out.print(board[r][c] + " ");<br> ...... | Mar. 29, 2009 at 12:00:14AM | |
| $5.00 | Computer-Science | Rectangle Class | Java simple Rectangle class and test class, ScreenShot, UseNotes
...Rectangle\\\\n" +<br> "S - Square\\\\n" +<br> "Q - Quit ");<br> choice = kb.nextLine().trim();<br> ...... | Mar 24, 2009 at 11:47:35PM | |
| $10.00 | Computer-Science | Java Program--Multiplication | Java Multiplication game, single class file, ScreenShot, UseNotes
... do {<br> // get user\'s answer:<br> ans = Integer.parseInt(kb.nextLine());<br><br> // check if answer is correct:<br> ...... | Mar 24, 2009 at 02:05:06PM | |
| $1.00 | Mathematics | Stats problem | Binomial distribution calcs
...45,1)* p^1 * (1-p)^(45-1)<br><br>where C(45,1) is the binomial coefficient <br>C(45,1) = 45<br><br>therefore<br><br>P(1 burglary in 45 houses) = 45 * 0... | Mar 22, 2009 at 10:16:52PM | |
| $5.00 | Computer-Science | I need some help i keep getting errors a | Java simple temperature conversion program, do...while loop, UseNotes, ScreenShot
...e;<br> if (choice.equalsIgnoreCase("c")) {<br> celsius = (9.0 * (celsius) / 5.0 + 32);<br> }<br> if (c...... | Mar 22, 2009 at 9:21:52PM | |
| $1.00 | Computer-Science | Java help | Java 1 file version as requested, without package statement.
...erestRate(double newRate) {<br> SavingsAccount.annualInterestRate = newRate;<br> }<br><br> public static void main(String[] args) {<br> System.out.pri...... | Mar 22, 2009 at 2:16:54PM | |
| $20.00 | Computer-Science | Java classes | Java inherited classes with constructors, get & set methods, ScreenShot, UseNotes
...h this material. Here's just the demo class; there are 3 more class files in the zip folder.<br>package JavaClasses;<br><br>public class JavaClassesDemo {<br><br> ...... | Mar 20, 2009 at 11:51:33PM | |
| $10.00 | Computer-Science | Recursive Method - Help | Java Recursion & driver, ScreenShot, UseNotes, jar file
....multiply(-77, 0));<br> display("0*0= " + Recursion.multiply(0, 0));<br> display("1*1= " + Recursion.multiply(1, 1));<br> display("(-1)*...... | Mar 18, 2009 at 10:54:31PM | |
| $7.00 | Computer-Science | Java help | Java SavingsAccount & driver, ScreenShot, UseNotes, jar file
... "saver1: " + String.format("$%.2f", saver1.calculateMonthlyInterest()) + "\\n" +<br> "saver2: " + String.format("$%.2f&...... | Mar 17, 2009 at 10:52:44PM | |
| $4.00 | Computer-Science | Rolling Dice | Java 2 Dice, 36,000 rolls, summary, relavtice error, ScreenShot UseNotes
... java.util.Scanner kb = new java.util.Scanner(System.in);<br> qualityCheck(values);<br> summary(values);<br> System.out.print("\\\\nPress any key to exit...... | Mar 16, 2009 at 11:09:07PM | |
| $20.00 | Computer-Science | Java Bank Job | Java BankAccount(abstract) & 2 subclasses, ScreenShot, UseNotes.
...itAccount barney = new DepositAccount(<br> new Customer(<br> new Name("Mr", "Barney", "Rubble"),<br> new...... | Mar 14, 2009 at 10:10:36PM | |
| $3.00 | Computer-Science | I need to generate 5 random numbers on C | C++ code to fill array with non-repeating random ints.
...y to fill an array with 5 values between 1 and 4 then that\'s impossible!<br><br>#include <cstdlib><br>#include <iostream><br><br>using namespace std;<br&g...... | Mar 10, 2009 at 10:42:59PM | |
| $17.00 | Computer-Science | Java Mortgage Calculator | Java MortgageCalculator, prompt for prin,int,term, displays all payments, UseNotes, ScreenShot
...ayment(double p, double i, double t) {<br>// This equation found on Wikipedia:<br> double payment =<br> (i / 12.0) * p * Math.pow(1 + i / 12.0, 12 * t) / (Math....... | Mar 10, 2009 at 7:08:36PM | |
| $4.00 | Computer-Science | java help | Java: 2 dice rolled 36,000 times,TutorNotes, ScreenShot
...om();<br> Random die2 = new Random();<br><br> // index - dice sum:<br> // 0-2, 1-3, 2-4, 3-5, 4-6, 5-7, 6-8, 7-9, 8-10, 9-11, 10-12<br> int[]...... | Mar. 10, 2009 at 12:20:26AM | |
| $10.00 | Computer-Science | Help with Applet in Java | Java polygon application, applet, TutorNotes, JPGs
...tact me if you need any help with this tutorial.<br>/*<br> * <br> */<br>package Applet;<br><br>import javax.swing.JApplet;<br><br>import javax.swing.*;&...... | Mar 07, 2009 at 9:29:34PM | |
| $15.00 | Computer-Science | Help with GUI Application in java | Java GUI , JFrame, JPanel, radio buttons, ActionListener, Layout managers, ScreenShot, UseNotes
...The cost of your selection will appear here. ");<br> // this.getContentPane().add(costStr); // ,BorderLayout.SOUTH);<br><br> }<br><br> JPanel...... | Mar. 04, 2009 at 12:19:42AM | |
| $10.00 | Mathematics | C++ Programming Exercise Help | C++ Dog class & main in 1 source file, ScreenShot, UseNotes
...setBreed(string breedIn){<br> breed = breedIn;<br>}<br>void Dog::setAge(double ageIn){<br> age = ageIn;<br>}<br>void Dog::display(Dog d){<br> cout<&l...... | Feb. 26, 2009 at 12:09:39AM | |
| $10.00 | Computer-Science | Java Card Game | Java Deck class w/inner Card class, UseNotes
...fCards = 52;<br> }<br> // inner class to represnt and individual card:<br> private class Card {<br><br> final String[] suits = {"SPADES", "...... | Feb 25, 2009 at 11:19:49PM | |
| $15.00 | Computer-Science | Need help with my homework | Java StringTokenizer, ScreenShot, UseNotes, jar file
...ring line = kb.nextLine();<br> // break into tokens:<br> StringTokenizer st = new StringTokenizer(line);<br> while (st.hasMoreTokens()) {<br> ...... | Feb 24, 2009 at 11:39:38PM | |
| $15.00 | Computer-Science | Help with Exception and Advanced file I/O | Java binary File I/O, simple exception handling, ScreenShot, UseNotes
...le writing & reading program");<br><br> // array for output: <br> int[] arrayToWrite = new int[50];<br> say("\\nData to be written:\\n"...... | Feb. 24, 2009 at 12:22:14AM | |
| $14.00 | Computer-Science | Java Date program | Java Date Program 2 files: Date.java, DateDriver.java, ScreenShot, UseNotes
... " + this.month;<br> return;<br> }<br> if (this.month > 12) {<br> this.error = "Invalid month > 12: " +...... | Feb 22, 2009 at 6:59:20PM | |
| $15.00 | Computer-Science | PROGRAMMING WITH ALGORITHUMS | Java: AppendixG, ScreenShot, UseNotes
...) * percentExcess(sal);<br> }<br> if (sal < 3000.00) {<br> return baseTax(sal) + (sal - 1500.0) * percentExcess(sal);<br> }<br> ...... | Feb 22, 2009 at 01:05:14PM | |
| $10.00 | Computer-Science | Help in C++ Programming | C++ strings & C-strings functions, ScreenShot, UseNotes
...tring class function to get the equivalent<br> // C-string:<br> // declare an array big enough, the +1 is for the \\0 :<br> char c_string[strObj.size()+1]; <br>...... | Feb 21, 2009 at 10:36:40PM | |
| $9.00 | Computer-Science | Java Using Netbeans | Java: array of class objects, constructor use, ScreenShot, UseNotes
...<br><br> // array of Grades objects:<br> Grades[] students = new Grades[7];<br><br> System.out.println("\\\\n\\\\tStudent Gradws Program\\\\n&qu...... | Feb 21, 2009 at 03:28:18PM | |
| $17.00 | Computer-Science | Inheritance in java need help | Java: Grades program: 7 classes, 3 inherited, ScreenShot, UseNotes
...Scanner;<br><br>public class GradesDriver {<br><br> public static void main(String[] args) {<br> System.out.println("\\\\n\\\\tCourse Grades Program\\\\n&q...... | Feb 19, 2009 at 10:56:24PM | |
| $27.00 | Computer-Science | Mortgage Calculator payment breakout | Java, MortgageCalculator.java, ScreenShot, UseNotes
...print("Please enter the interest rate (eg 5.0): ");<br> double intRate = Double.parseDouble(kb.nextLine()) / 100.0;<br> System.out.print("Please enter the...... | Feb. 18, 2009 at 12:39:04AM | |
| $15.00 | Computer-Science | Java Date Program | Java, Date program: class files, ScreenShot, UseNotes
...c < 0) {<br> this.error = "Invalid date format: " + dateStr;<br> return;<br> }<br> String monthStr = dateStr.su...... | Feb. 17, 2009 at 01:10:53AM | |
| $5.00 | Computer-Science | Programming assignment HELP i cannot make it run without errors | Java, Scanner input, calcs, prints, UseNotes, ScreenShot
...re.<br> numSize1 = totalOunces / SIZE_1; // give the integer part of the division<br> numSize2 = (totalOunces - numSize1 * SIZE_1) / SIZE_2;<br> ouncesLeftOver...... | Feb 16, 2009 at 8:49:18PM | |
| $19.00 | Computer-Science | Need help with aggregation - first solutions didn't help | Java, retail sales; source files, ScreenShot, UseNotes
...Inventory.Inventory.elementAt(k);<br> // only show items in stock, (unitsOnHand != 0):<br> if (thisOne.getUnitsOnHand() != 0) {<br> System.out.pr...... | Feb 15, 2009 at 3:14:45PM | |
| $15.00 | Computer-Science | Java Programming Question with Net Beans | Java, rational numbers operations, w/reduction, ScreenShot, NetBeans project folder zipped
...logic here<br> System.out.println(<br> "\\\\n\\\\tRational Numbers Program\\\\n" +<br> "Program prompts for numerator &...... | Feb. 15, 2009 at 12:44:36AM | |
| $4.00 | Computer-Science | need help with method | Java, method for user input of double returns fractional part, screen shot
... java.util.Scanner;<br><br>public class Fraction {<br><br> private static Scanner kb = new Scanner(System.in);<br><br> public static double fractionalPart(dou...... | Feb. 14, 2009 at 03:23:29AM | |
| $13.00 | Computer-Science | C++ Array Help | C++, file I/O, (cout&ofstream)2-d array use, sorting(bubble) row&col sum functions, UseNotes,ScreenShot
...s();<br> cout<<"\\n";<br> system("PAUSE");<br> return EXIT_SUCCESS;<br>}<br>//<br>void getData(){<br><br> inStream.o...... | Feb. 13, 2009 at 12:08:51AM | |
| $29.00 | Computer-Science | Help with Java program | Java: GUI for simple inventory, file I/0, load, sort, sell buttons, UseNotes, ScreenShot
... int id = Integer.parseInt(idtxt.getText());<br> int num = Integer.parseInt(numtxt.getText());<br> if (num < 0) {<br> ...... | Feb 08, 2009 at 1:33:01PM | |
| $7.00 | Computer-Science | Recursion | Java: boolean isMember(int[] arr, int valToFind, int highestIndex);screen shot,, Use Notes
...es are not allowed, you do want to<br> // catch this possible user error. Without this condition<br> // the recursion would never end<br><br> return...... | Feb 08, 2009 at 12:55:58PM | |
| $0.50 | Computer-Science | Help with Java program | Java: Screen Shot only showing GUI
...ks like. I'll post the... | Feb 08, 2009 at 01:27:15PM | |
| $3.00 | Computer-Science | Java Question/Double-Check | Description of syntax errors...
...ctor. Constructors cannot have a return value.<br><br>You can alwsys find constructors because they have the same name as the class. Which makes sense because they are used to construct...... | Feb 02, 2009 at 11:23:03PM | |
| $17.00 | Computer-Science | Java Help | Java: Day class, use notes, screen shot, jar file
... //3 return (or get) day:<br> String getDay() {<br> return this.day;<br> }<br> // 4. next day:<br> String nextDay() {<br> for (int k = 0;...... | Feb 01, 2009 at 12:40:34PM | |
| $1.00 | Computer-Science | Java Program Troubles | Java: PrintWriter rather than Formatter
...<br> }<br> writeOutputFile(names, testGrades, averages, letterGrade);<br> // calc overall class average:<br> double classSum, classAve;<br> ...... | Jan. 30, 2009 at 12:18:07AM | |
| $17.00 | Computer-Science | Java Program Troubles | Java: file I/O with Scanner & Formatter, grade calcs, Use Notes
...{<br> inFile = new Scanner(new File("GradeInputFile.txt"));<br> outFile = new Formatter("GradeOutputFile.txt");<br> } catch (Exceptio...... | Jan 27, 2009 at 10:43:07PM | |
| $13.00 | Computer-Science | I need help with steps two through 4-java program | Java: JOptionPane I/O; UseNotes, ScreenShot
... result(ticketString));<br> }<br><br> static boolean result(String tickStr) {<br> int digits5 =<br> Integer.parseInt(tickStr.substring(0...... | Jan 24, 2009 at 9:37:56PM | |
| $14.00 | Computer-Science | Trouble with Java | Java: for & while loops, Use Notes, & screen shot
...anner(System.in);<br><br> public static void main(String[] args) {<br> System.out.println(<br> "\\\\nProgram to demonstrate while loops\\\\n"...... | Jan 24, 2009 at 8:09:36PM | |
| $5.00 | Mathematics | Just 2 questions 8 and 15 | Solution & description...for 5 & 18 (the highlighted ones).
...ability of the person being in the salary range is 0.147 and the probability of that person buying a car is 0.19<br><br>The probability of being in that salary ... | Jan 20, 2009 at 8:45:42PM | |
| $8.00 | Computer-Science | Help with Java Program using JGrasp | PayCheck.java; UseNotes, create & write to ext. file with PrintWriter.
...sAmount * FEDERAL_TAX_RATE;<br> System.out.println("Federal Tax :\\\\t" +<br> twoDecimal.format(federalTax));<br> outStream.println(&...... | Jan 19, 2009 at 9:16:24PM | |
| $2.64 | Economics | Merry Christmas from TheRealArkayn!!! | Merry Christmas to you!!!!
...<br><br>Th... | Dec 24, 2008 at 10:58:46PM | |
| $9.00 | Computer-Science | Creating a "sorting" instance method is a custom class (Java) | insertAtSorted(), test program, screen shot, & use notes
...<br> // insert as tail:<br> insertAtBack(str);<br> return;<br> }<br> // List is not emply and str needs to be placed<br&...... | Dec 21, 2008 at 8:23:19PM | |
| $17.00 | Computer-Science | bufferedfilereader bufferedfilewriter | ReverseText.java & UseNotes
...iven on command line");<br> } else {<br> try {<br> BufferedReader inputStream =<br> new BufferedReader(<br> ...... | Dec 14, 2008 at 7:52:50PM | |
| $25.00 | Computer-Science | Problem in C++ on inventory records. | C++ source, UseNotes, ScreenShot, dataFile for reading.
...nu(){<br>char choice;<br> do{<br> cout<<"\\n\\t Program Menu\\n";<br><br>cout<<" I - Input inventory data from external file"<<e...... | Dec. 10, 2008 at 12:14:35AM | |
| $1.00 | Computer-Science | Hi..need help in fortran... this is the | Error is spelling of iStep...
..., which always has the value of zero and so that i... | Dec. 07, 2008 at 01:52:04AM | |
| $8.00 | Computer-Science | Need help in C++ program that I created!! | Corrected code, screen shot
... }<br> printArray(student);<br> <br> infile.close();<br><br>cout<<"\\\\n\\\\nPress a key and <enter> to exit program: ";<br>char halt;...... | Dec 06, 2008 at 9:19:00PM | |
| $37.00 | Computer-Science | Java Applet, arrays | All except fun4, NetBeans folder zipped, screen shots, java files, use notes,
...res[student][test] < 70) {<br> under70++;<br> }<br><br> }// end test loop<br> scores[student][5] = col5;<br&...... | Dec 06, 2008 at 1:45:01PM | |
| $23.00 | Computer-Science | Java Magic Square program | Magic Squares program: NetBeans project zipped, w/ Use Notes
...are();<br> MS.fileName = new String(args[k].trim());<br> if (MS.openFile(MS.fileName)) {<br> if (MS.readFile()) {<br> ...... | Dec 04, 2008 at 11:53:49PM | |
| $0.25 | General-Questions | question about this site | My experience with unregistered users & site email...
...uestions). On any site this is a good place to look first.<br><br>Way down at the bottom of the page is a link:<br><br>"Contact Us"<br><br>You c... | Nov 30, 2008 at 11:48:48PM | |
| $15.00 | Computer-Science | Multiple Java Questions and Coding needed | All solutions w/ use notes & demo programs...
...et() {<br> return this.radius;<br> }<br> // get perimeter:<br> public double perimeter() {<br> return 2.0 * PI * this.radius;<br> }<br&...... | Nov 30, 2008 at 1:50:21PM | |
| $0.25 | General-Questions | Information Regarding the StudentofFortune Tax Form? | Purpose of W-9 form
...that do not have a social security number but have to pay US taxes get a similar number called and ITIN (individual taxpayer identification nu... | Nov 08, 2008 at 6:32:11PM | |
| $27.00 | Computer-Science | Java Recursions | All 3 parts of Lab 12 & original Lab12.doc
...<br><br>As always, please contact me if yo... | Nov 02, 2008 at 7:20:03PM | |
| $9.00 | Computer-Science | Java Recursions | Exercise 3; PowerIterate.java, screen shot, use notes
...Iterate {<br><br> static Scanner kb = new Scanner(System.in);<br><br> public static int intPowerIterative(int base, int exponent) {<br> int power = 1;<br&...... | Nov 02, 2008 at 2:04:18PM | |
| $9.00 | Computer-Science | Java Recursions | Exercise 2; Divisor.java & DivisorTest.java, screen shot
...o {<br> System.out.print("\\\\nEnter first number: ");<br> number1 = Integer.parseInt(kb.nextLine());<br> System.out.print("Enter...... | Nov 02, 2008 at 1:50:51PM | |
| $9.00 | Computer-Science | Java Recursions | Exercise 1; Power.java & PowerTest.java, screen shot, use notes
....out.println(<br> "Invalid exponent; must be > 0");<br> } else {<br> System.out.println(<br> ...... | Nov 02, 2008 at 1:45:29PM | |
| $2.00 | Mathematics | Algorithems | Description of algorithm..
... and the first index is 0. Thus the index ranges from 0 to n-1.<br><br>// initialize<br>maxDiff = array(1)-array(0);<br>count = 1;<br><br>/... | Nov 01, 2008 at 8:57:04PM | |
| $1.00 | Mathematics | Hi there. I am taking a test to be an e | Details to solution
...on:<br>(-2)*5 + (-2)*x<br>x*5 + x*x<br>---------------- and 'em up:<br>x*x + 5x - 2x - 10<br>or<br>x^2 + 3x - 10<br><br>This works for any kinds of...... | Oct 26, 2008 at 8:23:32PM | |
| $1.00 | Mathematics | stuck! | Description of solution.
... we try to translate the sentences into equations:<br>1) to start:<br>b = 3*t<br><br><br>2) after spending 1.50 betty's money is 9 times toms:<br>b-1.5 = 9*(t-1.5)&...... | Oct 05, 2008 at 6:06:03PM | |
| $1.00 | Mathematics | 22y+16(8)=6yI know the answer is -8H | Description of how to solve...
...br>(22-6)y + 128 = 0<br>now, do the subtraction and subtract 128 from both sides:<br>16y = -128<br>now divide both sides by 16:<br>y ... | Sep 27, 2008 at 11:36:08PM | |
| $1.00 | Mathematics | 22y+16(8)=6yI know the answer is -8H | Description of how to solve...
...e, has the same solution.<br><br>Start with the eqn:<br>22y + 16(8) = 6y<br>subtract 6y from both sides:<br>22y-6y + 16*8 = 0<br>factor out... | Sep 27, 2008 at 11:32:38PM | |
| $0.75 | Mathematics | show the proof for: theorem: if x and y | The basic idea for the proof...
...here c and d are non zero integers.<br><br>then<br>x/y = (a/b)/(c/d) = (a*d)/(b*c) <br>now, sinc... | Sep 27, 2008 at 8:38:39PM | |
| $1.00 | Mathematics | Math Week 4 | Solution using Pythagorean theorem...
... = s*sqrt(2) = 2*sqrt(2)<br>divide by sqrt(2)<br>s = 2<br><br>and so the square is 2 units on a side.<br><br>Check<br><br... | Sep 22, 2008 at 01:04:43PM | |
| $1.00 | Mathematics | a rectangular counter 3 feet wide and 5 | Solution...
... pi*2.25/4 = 0.5625*pi<br><br>The difference is the remaining area of the counter top:<br><br>Remaining a... | Sep 21, 2008 at 9:44:30PM | |
| $1.00 | Mathematics | 3. a) Blue Bell taxi company charges $2. | Solution...
...t c equal to 13.80 and solve for m:<br><br>c = 13.80 = 2.75 +0.65*(m-5)<br>11.05 = 0.65*(m-5)<br>divide by 0.65<br>11.05/0.65 = 17 = m-5<br>... | Sep 21, 2008 at 8:23:30PM | |
| $1.00 | Mathematics | My son came home with a problem and need help | Solution...
...<br>= 88 - 5<br>= 83 deg<br><br>The angle XYZ is twice this<br>angle XYZ = 2*83 = 166 degrees<br><br>Now check:<br>See if this... | Sep 21, 2008 at 3:00:06PM | |
| $35.00 | Computer-Science | HELP!!! Please Java account project | DB 2 IT271, FileMatch.java, CreateDate.java, Use Notes
...r> * Matches resulted in updated balances. Unmatched transaction<br> * account numbers were written to the log file.<br> */<br><br>/**<br> *<br> * @author...... | Sep 14, 2008 at 8:08:52PM | |
| $1.00 | Mathematics | Mat/116 | Linear life expectancy equation
...the equation is to <br><br>Let t be time measure in years from 1991. That is,<br>t = 0 at 1991<br><br>... | Sep 07, 2008 at 10:30:14PM | |
| $23.00 | Computer-Science | What is the best C++ solution for the following attachment? | UserID.cpp, screen shot, and use notes
...br> ID[3] = ssn[3];<br> ID[4] = ssn[4];<br> ID[5] = ssn[5];<br> for( int k=0; k<ID.length(); k++ ) <br> ID[k] = toupper(ID[k]);<br> ...... | Sep 07, 2008 at 7:16:24PM | |
| $17.00 | Computer-Science | OOP inheritance and GUI | Question 1 only: all class files, screenshot, UMLdiagram, usenotes
...s.getCost());<br><br> return;<br> }<br>}<br>///// ***************************************************<br>/*<br> * File: Book.java<br> * Date:...... | Sep 06, 2008 at 9:18:01PM | |
| $1.00 | Mathematics | Henry invested $12,000 in a new restaura | Solving compounding equation
... this:<br>[(1+r)^2] = 27000/12000 = 2.25<br>now, take the log of both sides (base 10 or base e will work):<br>... | Aug 31, 2008 at 1:51:11PM | |
| $27.00 | Computer-Science | Need help with c++ Solution | T-ShirtInventory.cpp, ScreenShot, & UseNotes
...<cstdlib><br>#include <iostream><br>#include <string><br>#include <iomanip><br>using namespace std;<br><br>int ROWS = 4;<br>int COLS =...... | Aug 28, 2008 at 8:11:09PM | |
| $1.00 | Education | Old MacDonald has 100 chickens and goats | Algebra solution
...r of chickens (2 legs each)<br>g be the number of goats (4 legs each)<br><br>Now, the total number of animals is 100:<br>c + g = 100<br><br>and, we know the total...... | Aug 28, 2008 at 1:03:34PM | |
| $3.00 | Biology | Cell -Production Growth Essay | Essay type answers...
... cells over time was measured, hence the experiment was designed to test the effect of temperature on cell growth rate.<br><br>b)<br>Flask 3 is the only one whose volume started at...... | Aug 23, 2008 at 9:33:40PM | |
| $4.50 | Mathematics | III. Growth Modeled by a Radical Equation: | Part 3: Radical Growth
...ou need any... | Aug 17, 2008 at 9:46:06PM | |
| $1.00 | Mathematics | Solve and enter in solution set form | Solution of inequality in set builder notation
.../10 - (x+2)<br>multiply both sides by 10/7<br>3x+4 >= 13/7 - (10/7)(x+2)<br>3x + 4 + (10/7)x >= 13/7 - 20/7<br>(21/7)x + (10/7)x >= -7/7 - 4<br>(31/7)x >= ... | Aug 17, 2008 at 6:28:17PM | |
| $1.00 | Mathematics | Applied Problem | Mixture problem solution
...+ 0.05*(15-x) = 0.18*15<br>solve this for x:<br>0.20x - 0.05x + 0.75 = 2.7<br>x(0.20-0.05) = 2.7 ... | Aug 17, 2008 at 5:09:04PM | |
| $1.00 | Computer-Science | programming | Sum of squares, pseudo-code, Java, C++ code snippets
...ySquare = Integer.parseInt(kb.nextLine());<br>int sum = 0;<br>for( int k=1; k<=MySquare; k++){<br>sum = sum + k*k;<br>}<br><br>The code in C++ is almost the... | Aug 16, 2008 at 11:29:22PM | |
| $5.00 | Computer-Science | CheckPoint: Sequential and Selection Processing Control Structure | AppendixG.java, UseNotes, OutputIDE.doc
...f (sal < 1500.00) {<br> return baseTax(sal) + (sal - 0.0) * percentExcess(sal);<br> }<br> if (sal < 3000.00) {<br> return baseTax(sal)...... | Aug 16, 2008 at 8:16:18PM | |
| $27.00 | Computer-Science | C++ Program needed | DeptStoreAccountUpdate,cpp, UseNotes, & Screen Shot
...gePct*prevMonthBalance;<br> if(lc < minLateCharge) return 5.00;<br> else return lc;<br> }<br> double newBalance(){ <br> ...... | Aug 15, 2008 at 11:47:55PM | |
| $9.00 | Mathematics | I need help with my Algebra Assignment. twenty multiple choice questions. | Just the answers: 2 are missing due to format problems
.... Just contact me and I\'ll add the solutions to those two.<... | Aug 10, 2008 at 11:39:11PM | |
| $1.00 | Mathematics | college math | Magic square solution
...<br>17 | 56 | 26<br><br>Here are the steps:<br><br>row 3: get middle number<br>col 2: get top number<br>row 1: get left... | Aug 09, 2008 at 9:36:30PM | |
| $2.00 | Mathematics | 5 multiple choice questions just need the answer (basic geometry) | Questions 21,22, and 23
... is given by:<br>A = 4*pi*r^2<br>a 7 millimeter radius sphere has and area of:<br>A = 4*(3.14)*7^2 <br>A = 4*(3.14)*49<br>A = 615.752<br>rounder this is <br>A...... | Aug 09, 2008 at 01:13:20PM | |
| $3.00 | Mathematics | vector product. | Vector algebra solutions...
...qrt(4 + 9 + 25)<br>= sqrt(38)<br>which is approximately 6.16<br><br>similarly,<br>b)<br>The length of vector D is<br>|D| = sqrt( (-1)^2 + (-1)^2 + (-1)^2 )<...... | Aug 07, 2008 at 11:03:59PM | |
| $5.00 | Computer-Science | Payroll Program Part 1 | WeeklyPay1.java & screen shot
... System.out.print("\\nEnter the employee's name: ");<br> name = in.nextLine();<br> // hourly rate:<br> System.out.print("Enter the hourly rate:...... | Aug. 05, 2008 at 12:00:05AM | |
| $3.00 | Mathematics | Geometric Growth and Compound Interest | Excel spreadsheet solution
... is:<br><br>yield = (1+i/4)^4 where i is the interest as a decimal, that is, 3% is i = 0.03<br><br>for the daily c... | Aug. 01, 2008 at 12:55:01AM | |
| $20.00 | Computer-Science | Java Mortgage Calculator | MortgageCalculator.java & screen shot & use notes & sample output (IDE)
...rm of loan (years): 30<br><br>A monthly payment of $1,167.15 is required to amortize this loan.<br><br>Number Payment Interest Principle Balance<br> 1 ...... | Jul. 31, 2008 at 12:51:53AM | |
| $10.00 | Computer-Science | Payroll Program 2 | WeeklyPay.java, screen shot, and use notes
... break;<br> }<br> }<br> // Hours, stay in loop until a postive number is entered<br> while (true) {<br> ...... | Jul. 26, 2008 at 01:18:39AM | |
| $1.00 | Mathematics | HHHHHEEEEELLLLLLPPPPPP!!!!!!!!!!!!!!!!!!11111 | Graph of 6X + 2Y = 12
...0 = 12<br>X = 2<br>this gives you the point (2,0) on the x axis<br><br... | Jul. 24, 2008 at 01:03:24AM | |
| $0.50 | Mathematics | Finite Math (212) | Here's a graph to go with the others' solution, GRAPH ONLY
... by the others.<br><br>The equilibriu... | Jul 16, 2008 at 10:58:47PM | |
| $3.00 | Mathematics | Discrete Mathematics | Solutions
... is the natural numbers? <br>If so then the largest value of F is 3, ie, F({a,b,... | Jul. 15, 2008 at 12:28:05AM | |
| $10.00 | Computer-Science | Java Questions Need Response | Account.java w/ comments & UseNotes file...
...######0.00");<br> return df.format(this.balance);<br><br> }<br>// 9) add to account:<br> public void creditAccount(double amount) {<br> ...... | Jul 13, 2008 at 9:49:28PM | |
| $10.00 | Computer-Science | html coding? | html file and screen shots
...tElementById("books").options[2].text = "Calculus for Dummies";<br>}<br>else if(selCat.selectedIndex==3){<br>document.getElementById("books").options[0]...... | Jul. 13, 2008 at 12:41:31AM | |
| $3.00 | Computer-Science | Java Code-Exam Scores | ExamScores.java w/ main() & screen shot
...core[inputCount] < 0) {<br> break;<br> } else if (score[inputCount] >= 90) {<br> numA++;<br> } else if (score[inputCou...... | Jul 09, 2008 at 11:56:56PM | |
| $10.00 | Mathematics | how to do this | Solution with description & graph
... 85<br><br>C)<br>This graph show the amount of saving that A and B have after w weeks. Where the lines cross is where they have the same amount of money. The crossing at (5,85)...... | Jul 06, 2008 at 9:45:18PM | |
| $13.00 | Computer-Science | Java Object Oriented Program: GUI with Buttons | Buttons.java w/ main(), screen shots of JFrame & JOptionPane
...java.awt.event.ActionListener;<br>import javax.swing.JOptionPane;<br><br>public class Buttons extends JFrame<br> implements ActionListener {<br><br> ...... | Jul 05, 2008 at 11:14:13PM | |
| $23.00 | Computer-Science | class | Address.java & AddressTest.java w/ main(); screenshot & use notes
...ostCode(int newPostcode) {<br> this.postCode = newPostcode;<br> }<br> /*<br> G) code a method that compares two addresses for a common <br> suburb or...... | Jul 04, 2008 at 11:05:27PM | |
| $5.00 | Computer-Science | Pythagorean Mehtod Mush | Pythagorean.java with 2 methods and main() for user input & test
... c * c == a * a) {<br> return true;<br> } else if (c * c + a * a == b * b) {<br> return true;<br> } else {<br> return...... | Jul. 02, 2008 at 12:06:39AM | |
| $5.00 | Mathematics | Finite Math | Binomial distribution problems solved...
...rs of the set of possibilties. Each has the same probability: 1/8<br><br>a) Getting all 3 wrong can only happen 1 way:<br>P(all 3 wrong ) = 1/8<br><br>b) Getting...... | Jul 01, 2008 at 10:51:54PM | |
| $4.00 | Computer-Science | Need help to modify payroll program. | Payroll2.java with requested modifications & screen shot
... Double hourly_wage;<br> while (true) {<br> System.out.print("Hourly Wage: ");<br> input = in.readLine();<br> ...... | Jun 29, 2008 at 11:56:02PM | |
| $0.50 | Computer-Science | Java Programmer's SourceBook | Modifications to code for agreement
... double parkingReimbursement = numDays * PARKING;<br> parkingReimbursement = <br> Math.min(<br> parkingFees,parkingReimbursement);<...... | Jun 29, 2008 at 10:04:57PM | |
| $8.00 | Computer-Science | Program that will calculate weekly transportation cost | GasCalc.java, w/ main(), & screen shots
...cle\\\\\'s estimated miles-per-gallon? ");<br> double milesPerGallon =<br> Double.parseDouble(keyboard.nextLine());<br> // get cost of a gallon of...... | Jun 29, 2008 at 9:06:34PM | |
| $19.00 | Computer-Science | Bank account class | BankAccount.java, Test.java with main(), and screen shot
...c class BankAccount {<br><br> private String name;<br> private double balance = 0.0;<br> private double interestRate = 0.05;<br> private double serviceFee =...... | Jun. 29, 2008 at 12:13:06AM | |
| $0.50 | Computer-Science | Java Programmer's SourceBook | Screen shots to go with my solution...
...w to get to the Windows Paint program:<br>Start>Program>Accessories>Paint<br>... | Jun 28, 2008 at 9:50:04PM | |
| $23.00 | Computer-Science | Java Programmer's SourceBook | TravelExpenses.java, following pseudocode, uses single JFrame, no JOptionPane
...w JButton("Click to reset all fields");<br> // Add an action listener to the button.<br> resetButton.addActionListener(new ResetButtonListener());<br> ...... | Jun 28, 2008 at 8:35:26PM | |
| $23.00 | Computer-Science | Basic Java help | Java files, console outputs, and useage notes, all specs satisfied.
... return;<br> }<br>}<br>// *****<br>/*<br> * File: Driver.java<br> * Date: June 21, 2008<br> * File contains main() to be used with SavingsAccount.ja...... | Jun 21, 2008 at 10:07:12PM | |
| $3.00 | Mathematics | Baye's Formula and Tree diagrams | Part 1: descriptive solution only...
...<br>25%: 280/2800 = 0.10<br><br>now multiply each of these by the default rate:<br><br>5% & default = 0.45*0.05 = 0.0225<br>10% & default = 0.25*0.03 = 0.0075... | Jun 08, 2008 at 9:49:26PM | |
| $2.00 | Chemistry | science help! | Solutions to metric problems....
...1 meter = 100 centimeters<br>1 centiliter = 1/100 of a liter (= 0.01 liter)<br><br>5H(sub 2) is 5 hydrogen molecules, a hydrogen molecule is<br>2 hydrogen atoms, or H(sub 2)<...... | Jun 08, 2008 at 9:23:58PM | |
| $4.50 | Computer-Science | Three Arrays | ThreeArrays.java w/ extend(), main(), and methods to sort & display results
... Arrays.sort(twoArray);<br> System.out.println(<br> "\\nQuantity Array, sorted:");<br> for (int k = 0; k < two.size(); k++) {<br&g...... | Jun 08, 2008 at 2:56:54PM | |
| $7.00 | Mathematics | College Algebra- Unit 4 Questions | Answers to all 9 algebra problems...
...ast two equations<br><br>8)<br>perpendicular<br><br>9)<br>first system <=> substi... | Jun 08, 2008 at 2:07:36PM | |
| $13.00 | Computer-Science | Java: File Input and Output; Inheritance and Polymorphism | JavaIO.java w/ methods for write, read, display of random numbers and summary stats
...dFillArray()");<br> try {<br> System.out.println("Opening for read, file: " + FileName);<br> int[] local = new int[size];<br> ...... | Jun 07, 2008 at 10:39:17PM | |
| $5.00 | Computer-Science | Repetition Statements | Cubing.java w/ cubeFor, cubeDoWhile, and main methods
...print the cubes of integers<br> * from 1 to 10, inclusive<br> */<br><br>public class Cubing {<br><br> static public void cubeFor() {<br> int cube;&l...... | Jun 06, 2008 at 11:09:57PM | |
| $10.00 | Mathematics | College Algebra- Unit 3 Project Questions | Correct answers to 10 questions...
...nswers. <br>The correct tables should be:<br><br>0 | 1 | 2 | 3<br>-4 | -3 | -2 | -... | Jun 01, 2008 at 3:12:31PM | |
| $9.00 | Mathematics | Algebra MC | Solutions to algebra problems...
...as probably choice 4, piecewise functions. (I used calling plans as an example when I taught college algebra)<br><br>8)<br>choice 4<br><br>9)<br>choice 3<br>...... | Jun. 01, 2008 at 12:16:50AM | |
| $9.00 | Computer-Science | Arrays, Sorting and Searching | Temperatures.java class file w/ main, input menus for all methods.
...tTemperature Array Program");<br> Temperatures TempObj = new Temperatures();<br> TempObj.initTemp();<br> while (true) {<br> String choice;&...... | May. 31, 2008 at 12:22:11AM | |
| $7.00 | Mathematics | Keith's answer | Algebra problems solved
...ide by 2:<br>x = -25/2<br><br>3.) <br>(x -2)/5 - 3/2 = (x + 1)/10<br>multiply both sides by 10:<br>2(x-2) - 10(3/2) = x + 1<br>distribut... | May 26, 2008 at 2:11:11PM | |
| $3.00 | Mathematics | Keith's answer | Algebra word problem translated to an equation
... on the uploaded page.<br><br>Pleas... | May 26, 2008 at 1:57:48PM | |
| $3.00 | Computer-Science | Java 3 | Just the java file: can't upload class file
...o meters.<br> */<br><br>import javax.swing.JOptionPane;<br><br>public class TemperatureLengthConversionDemo {<br><br> static void promptFahrtoC() {<br&g...... | May 25, 2008 at 8:02:38PM | |
| $10.00 | Computer-Science | LibraryItem class | LibraryItem.java & LibraryItemTest.java w/ all constructors demonstrated.
...structAllItems();<br> showItems(A);<br><br> LibraryItem B = new LibraryItem("Joy of Cooking",<br> "Rombauer & Becker");<br&g...... | May 25, 2008 at 5:40:24PM | |
| $10.00 | Computer-Science | JAVA PROGRAMME | Product.java & Kilimanjaro.java w/ menu for modifying inventory
...ic static void sellProduct() {<br> while (true) {<br> System.out.println("\\\\tSell Product");<br> System.out.print(<br> ...... | May 23, 2008 at 2:24:44PM | |
| $9.00 | Computer-Science | Java small coding in 2 class: Triangle and TestTriangle | Triangle.java; TriangleTest.java w/ all constructors and methods tested
...Length() {<br> Triangle D = new Triangle();<br> System.out.println(<br> "\\nNo argument constructor");<br> System.out.println(&quo...... | May 22, 2008 at 10:44:45PM | |
| $2.00 | Mathematics | Algebra | Solutions to questions...
...3) = m<br>13 = m<br><br>3. 3(x-0.87)-2x=4.98<br>distribute:<br>3x - 3(0.87) - 2x = 4.98<br>collect x on one side:<br>1x = 4.98 + 3(0.87)<br>x = 4.98 +...... | May 18, 2008 at 10:10:27PM | |
| $7.00 | Mathematics | 10 More College Algebra questions | Solutions to questions...
...ou need any help with this solution. ... | May 18, 2008 at 1:43:44PM | |
| $1.00 | Mathematics | factoring | Factoring a quadratic...
...0 => OK<br>6*(-7)^2 + 42(-7) ?= 0<br>6*49 - 294 ?= 0<br>294 - 294 ?= 0<br>0 ?=... | May 18, 2008 at 1:24:16PM | |
| $9.00 | Mathematics | Basic Math Help | Solutions to math problems...
...>absolute value is just the positive value<br>|-14| = 14<br><br>5) Add:<br>-4/5 + (-3/4) <br>need to convert to common denominator:<br>-16/20 - 15/20<br>=...... | May 16, 2008 at 7:40:14PM | |
| $28.00 | Computer-Science | Classes in Java PLEASE HELP | Package.java & PackageDemo.java w/ main
...<br> */<br>public class PackageDemo {<br><br> public static final int MAX_SIZE = 20; // max items in inventory<br> static Scanner kb = new Scanner(System.in);<br...... | May. 14, 2008 at 12:19:46AM | |
| $2.00 | Mathematics | Ratio and Proportion | Solution of linear word problems...
...convert to hours and minutes:<br>135/55 = 27/11 * 60 min/hr = 2 hours 27 minutes (approx)<br><br>Third question:<br>We have to find out which ingredient is the one that limits...... | May 12, 2008 at 9:55:38PM | |
| $1.00 | Mathematics | probibility | Getting 4 heads in 4 tosses...
...osses:<br>P(2 heads) = (1/2)*(1/2) = 1/4<br><br>3 tosses:<br>P(3 ... | May 11, 2008 at 7:15:07PM | |
| $8.00 | Computer-Science | Grade book array | GradeBook.java & GradeBookDemo.java w/ demo case
...ic void setName(int k, String s) {<br> name[k] = s;<br> }<br>// get the name of student k<br> public String getName(int k) {<br> return name[k];<br...... | May 11, 2008 at 3:18:28PM | |
| $1.00 | Mathematics | Solve a Quadradic equation | Solution using the quadratic formula
...n the answer but some teachers want the decimal:<br><br>one solution is<br>x = -1/3 + 4.69/3 = 1.23<br><br>the other is:<br>x = -1/3 - 4.69/3 = -1.90<br><b...... | May 10, 2008 at 9:44:43PM | |
| $10.00 | Computer-Science | 2d array class | TwoDArrayOperations & TwoDArrayOperationsDemo w/ test cases
...int A[][]) {<br> int total = 0;<br> for (int row = 0; row < A.length; row++) {<br> for (int col = 0; col < A[row].length; col++) {<br> ...... | May 10, 2008 at 02:44:49PM | |
| $0.50 | Mathematics | Find the slope | Finding the slope...
...e<br>b is the y intercept<br><br>and so for your equation,<br>y... | May. 09, 2008 at 12:40:32AM | |
| $0.75 | Mathematics | Solution by elmination | Solution of two linear equations by elimination...
... either eqn:<br>5*6 - 7s = -5<br>35 = 7s<br>5 = s<br><br>Check:<br>5*6 - 7*5 =? -5<br>3... | May 08, 2008 at 10:38:45PM | |
| $0.75 | Mathematics | Algebra 1b: Train A and Train B | Time trains catch up and distance travelled, and checked...
...nits are correct)<br>solve this to t:<br>80t = 84t - 42<br>42 = 4t<br>10.5 = t (hours)<br><br>so, add 10.5 hours to 10:20 and you get:... | May 08, 2008 at 10:00:22PM | |
| $7.00 | Computer-Science | Simple Java Program | TestScores.java, Scores.java with 3 test cases...
...nt constructor<br><br>// calculate average:<br> public double getAve() throws IllegalArgumentException {<br> try {<br> ave = 0;<br> ...... | May 07, 2008 at 1:24:14PM | |
| $5.00 | Computer-Science | Java Programs | Program 1: Convert Fahrenheit to Celsius
...SoF<br> */<br><br>public class CentigradeDemo {<br><br>// Converts fahrenheit to celsius<br>public static double centigrade( double F){<br> return ((F-32.)...... | May 05, 2008 at 9:58:31PM | |
| $5.00 | Mathematics | Need Fast!! | Solution to compounding problem...
... factor of (1+0.05). So, over 18 years, the account would grow by a factor of <br>(1+0.05)... | May 03, 2008 at 10:50:58PM | |
| $1.00 | Physics | K.V.2008 | Mass of planet given orbital period, radius...
...<br><br>applying equation:<br>(care must be taken to use the correct units. If you examine the units of <br>G, you'll see that the proper units are meter, kg, sec)<br>&l...... | Apr 29, 2008 at 11:22:40PM | |
| $10.00 | Mathematics | finding an exponential growth function. Use formula provided | Exponential growth of world and US population...
...6,800<br>and<br>k = 1.14% = 0.0114<br><br>For<br>Q(t) = 7 billion = 7*10^9<br>Q(t)= Q0*exp(kt)<br>solve for t by taking ln (base e log) of both sides<br>...... | Apr 29, 2008 at 7:17:08PM | |
| $5.00 | Mathematics | 5 dollars a question 8 questions in all | Semiannual compounding...
...mber of periods.<br><br>For 5 years: n=10<br><br>10,000 = P*(1+0.0325)^10<br>now solve this for P:<br>take base 10 log:<br>log(10,000) = l... | Apr 29, 2008 at 5:19:54PM | |
| $2.00 | Mathematics | take home quiz need help | Solutions to quadratics...
...sqrt(33))<br>x = 0.372 and x = -5.37<br><br>3.<br>x^2 -3x + 3 = 0<br>use quadratic formula:<br>x = 3/2 +/- sqrt(9-4*3)/2<br>x = 3/2 +/- sqrt(-3)/2<br>si...... | Apr 28, 2008 at 2:34:55PM | |
| $2.00 | Mathematics | graph | Comment on discriminant, equation of parabola...
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| $5.00 | Mathematics | Graphical Representation of Linear Equations | 3 graphs: 1) intersecting, 2) parallel, 3) triangle
... equation of line is in the form<br>kx + jy = C, the slope is k/j. <br><br>3) Graph 3<br>Shows the lines from... | Apr 25, 2008 at 3:52:54PM | |
| $5.00 | Mathematics | Calculus help fast, its very easy but i'm not sure | Solution using derivative, with details...
... end and lengths of straight segments then differentiating to find a maximum.<br><br>Let <br>p be the perimeter = 1 km<br>p = 2*l + 2*pi*r<br>solve for l:<br>l = (p...... | Apr 24, 2008 at 6:31:59PM | |
| $2.00 | Mathematics | write a system of equations having | Systems with unique, none, and infinite number of solutions...
... - y = 4 ; slope is 2/1 = 2<br>3x + 2y = 6 ; slope is -3/2 <br><br>Since these two slopes are different, there's a unique solution which is (x,y) = (2,0)<br><br><br&g...... | Apr 19, 2008 at 11:50:22PM | |
| $10.00 | Computer-Science | Basic Integer Statistics Project | stats.cpp, includes main() with test case...
...s<br> return (float) ar[(n-1)/2];<br>else <br> return (ar[n/2-1]+ar[n/2])/2.0;<br>}<br>/////<br>float StandardDeviation( int ar[], int n)<br>{<br>//...... | Apr 19, 2008 at 5:04:08PM | |
| $20.00 | Mathematics | Linear Equations | Graph, linear fit to data, answers to all questions...
...this temperature occurs.<br><br>Solve the equation for °C.<br>C = (F-32.0)/1.8<br><br>What is 75 °F in Celsius?<br>C = (75-32)/1.8 <br>C = 23.9 <br><...... | Apr. 18, 2008 at 12:15:55AM | |
| $1.00 | Mathematics | Positive Number | Positve real number -> polar form -> one real root...
...s form that we get the same number for any k.<br><br>Now, just take the nth root:<br><br>(a) R^(1/n) = [(R0)^(1/n)]*exp( i*2*pi/n + i*2*k*pi/n )<br><br>Now what we...... | Apr 17, 2008 at 10:06:00PM | |
| $2.00 | Mathematics | Miss Penny the chicken, due today 4-17-08 pm | Checking your calcs: ans to Q about 45 or fewer success
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| $1.00 | Mathematics | if 10 is seperated into t... | Algebraic representation of parts of 10...
...l \'expressions\'. Much of what is done in algebra is using expre... | Apr 16, 2008 at 7:08:00PM | |
| $2.75 | Computer-Science | Java Power | Class Power w/ Static method Power(base,exponent) using Math.pow(); includes main() with test cases
... the method Math.pow(b,e)!<br><br>File: Power.java<br><br>This file contains the definition of class Power<br>with static method static double power(double base, double...... | Apr 14, 2008 at 3:00:50PM | |
| $4.50 | Computer-Science | Java Circle | Circle class w/ constructors, Cross method, main() with simple test cases
...*<br>// No argument constructor:<br>public Circle( )<br>{<br>this.xcenter = this.ycenter = 0.0;<br>this.radius = 1.0;<br>}// *****<br>// Determines if...... | Apr 13, 2008 at 8:51:50PM | |
| $4.00 | Computer-Science | Java Complex | Complex class w/ constructors, add, subtract, print methods, main with test cases.;
...real, double imag) <- constructor<br>public Complex() <- no argument constructor <br>public Complex add(Complex z)<br>public Complex subtract( Complex right )<br>public...... | Apr 13, 2008 at 4:15:42PM | |
| $6.00 | Computer-Science | Matrices | Class Matrices, with constructors, get, set, det, isNull, isUnitary, scaler mult, matrix addition, main() with test case
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| $3.00 | Computer-Science | Java Matrix | Class Matrix with constructor, scalerMult, add, set, get methods...
...t rows, columns;<br>// *****<br>public Matrix (int rows, int columns, double constant) {<br>this.rows = rows;<br>this.columns = columns;<br>dbl_matrix = new double[rows][...... | Apr 12, 2008 at 9:03:45PM | |
| $5.00 | Mathematics | Density Function | Partial solution: i) throught iv) but no graphs
...nt to use the value of h=2/3 rather than the symbol h)<br><br>iii) (2)<br>The probability of X >= 2 is the area under f(x) for x >= 2.<br>This area is h*1 = h = 2/3<br...... | Apr 08, 2008 at 9:38:08PM | |
| $2.00 | Mathematics | Math Help | Acceration due to a net force ...
...tion. You must be careful of units, however. The SI system is much more convenient than english units.<br><br>net force = mass * acc... | Mar 15, 2008 at 10:59:30PM | |
| $3.00 | Mathematics | Math help please | Power is work/time...
... <br>Putting this together:<br>1 watt = 1 kg*m^2/s^3<br><br>So that your answer is 196 watts<br><br>Keep in mind that power is the rate of doing work. Work h... | Mar 15, 2008 at 10:32:14PM | |
| $1.00 | Mathematics | math story question. | Rate of pie eating...mmm, Pie...
...whole pie in 2 minutes then he can eat 1/6 of a pie in 1/6 of 2 minutes:<br><br>Time to eat 1/... | Mar 06, 2008 at 5:47:35PM | |
| $0.25 | Mathematics | ALG-2/Tri | Larget positive angle coterminal.....
...ny multiples of 360 degrees that are need to get a p... | Mar 04, 2008 at 6:47:05PM | |
| $0.41 | Mathematics | ALG-2/Tri | Combinations...
...e result is the product of these two indepen... | Mar 03, 2008 at 7:22:35PM | |
| $1.00 | Mathematics | problem solving | Red, green and other colored buttons...
...g = 1/6 be the green fraction<br>Fo be the buttons that are not red and not gre... | Mar 03, 2008 at 6:07:44PM | |
| $5.00 | Computer-Science | Estimating Resources | Time $850,000. will last a calculated 'burn rate'...
...r/wk @ $30/hr<br>= 4*40*30 = $4,800./wk<br><br>1 project manager @ 40 hr... | Mar 02, 2008 at 11:27:08PM | |
| $0.37 | Mathematics | ALG-2/Tri | Number of possible sequences of letters and numbers...
...<br>10*10*10*10 number conbinat... | Mar 02, 2008 at 3:38:22PM | |
| $4.50 | Mathematics | Clarification on Diagrams | Discussion of Venn diagrams....
...nd penguins would be in the orange circle, in the part which does not overlap with the blue circle. Mosquitoes have six legs, and fly, so the point for mosquitoes would be in the part of the blue...... | Feb 28, 2008 at 11:43:24PM | |
| $4.00 | Mathematics | Estimating | Help with estimating, but rounding and counting rectangles...
...8000:<br>6000 x 8000 = 48x10^6<br>The exact answer is: 47,820,108<br>The percentage error is:<br>(48x10^6-47820108)/47820108*100 = 0.376% (which is a very small errow)<br>...... | Feb 25, 2008 at 5:55:53PM | |
| $3.00 | Mathematics | Math | Step by step solution of #1, #2 is OK, different result for #3
...the numbers shown along the diagonal. You get a sum of 57. Now all rows and columns must add to 57. Now you just look for a row or column that has 2 numbers filled in. You can then get the t... | Feb 23, 2008 at 5:51:31PM | |
| $2.00 | Economics | help | Marginal cost is....
...more unit of output.<br><br>Mathematically, it is the slope... | Feb 21, 2008 at 7:43:19PM | |
| $1.00 | Computer-Science | What is the maximum memor... | 16 bit memory space address...
...= 65536<br><br>Note that an actual address i... | Feb 20, 2008 at 4:38:37PM | |
| $1.50 | Astronomy | General Astronomy Problem | Inverse square scaling of gravity acceleration...
...the square of the distance. So, here we know the acceleration at a distance of 6,400 km and we want to calculate it at distances of:<br>6400+100,<br>6400+1000,<br>... | Feb 11, 2008 at 01:07:55PM | |
| $2.00 | Astronomy | General Astronomy Question | Round trip radar signal 0.7 Au out and back...
...speed of light.<br><br>1 AU:<br>149,597,870.691 km<br><br... | Feb 10, 2008 at 03:58:12PM | |
| $1.99 | Mathematics | Prove | Even and odd functions: applying the definition...
...is even.<br><br>b)<br>This one's a little tricky. The only function that is both odd and even is f(x)=0. This is bec... | Feb 09, 2008 at 9:41:10PM | |
| $2.00 | Mathematics | Elements | Number of elements in the 'cartesian product' AxB...
... are ordered pairs (a,b) where<br>a is an element of A and <br>b is an element of B. <br><br>If... | Feb. 07, 2008 at 12:55:18AM | |
| $1.00 | Mathematics | wut does x equal | Assuming you mean (x-3)^2+10=74.....
...<br>a) (x-3) = +8<br>and<br>b) (x-3) = -8<br><br>For a:<br>add 3 to both sides:<br>x = 11<br><br>for b:<br>add 3 to both sides:<br>x =...... | Feb 01, 2008 at 8:45:42PM | |
| $1.00 | Chemistry | omg quick | Sodium (Na) combines with oxygen (O2) to form Na2O...
...d in air about 20% sodium peroxide is formed:<br><br>6 Na + 2 O2 -> Na2O + Na2O2... | Feb 01, 2008 at 01:24:05PM | |
| $1.00 | Mathematics | Tree House Question | Ladder-tree-ground is a right triangle
... tree.<br>let B be the distance from the base of the tree to the bottom of the ladder, <br><br>Then for the right triangle:<br><br>L^2 = H^2+B^2<br>solve this ... | Jan 29, 2008 at 7:57:29PM | |
| $1.00 | Mathematics | Algebra 1 | Slope of line
...r><br>y = m*x+b<br><br>where m is called the slope. For a change in x of 1 unit, ... | Nov 30, 2007 at 4:25:34PM | |
| $1.00 | Physics | Simple Physics Problem 2 | Conserve momentum...
...momentum of the cannon is equal in magnitude but opposite in direction to that of t... | Nov. 15, 2007 at 12:50:49AM | |
| $1.00 | Physics | Simple Physics Problems | Energy is power x time...
... energy/time. Raising the mass against gravity is work another form of energy. <br><br>You want to equa... | Nov. 15, 2007 at 12:43:07AM | |
| $1.00 | Mathematics | Test Due today.....Please help | Plug and chug...
...0 +15 - 4<br>= -35 - 4<br>= -39<br><br>Be careful about signs. Note that for f(-2) the min... | Oct 30, 2007 at 2:00:06PM | |
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...ou're surprised to see tha F when you had a C from the progress report. It is probably best ... | Oct 26, 2007 at 01:02:56PM | |
| $2.25 | Mathematics | Linear Equations | Solution for 1 only, no graphs...
...3x + 7<br>x = -7/3<br>now get y from either eqution:<br>using eqn 2: y = -(-7/3) - 4 = 7/3-12/3 = -5/3<br><br>2. The lines have the same slope, thus they are parallel. ...... | Oct 14, 2007 at 02:11:26PM | |
| $1.00 | Mathematics | math | Perfect squares...
...rfect squares\'. This means that they are whole number solutions to:<br><br>x*x = n<br><br... | Oct 10, 2007 at 11:06:38PM | |
| $1.00 | Mathematics | algebra 1 | X and Y intecepts from slope-intercept form...
...y to plug in an <br>X value of 0 and get a Y value. Recall that the Y axis is all the points that ha... | Oct. 04, 2007 at 12:26:56AM | |
| $1.00 | Mathematics | Car Colors | Two independent choices: product rule...
...ter what order you make the choices. You multiply the independent choices. So, there... | Oct 02, 2007 at 7:44:23PM | |
| $1.00 | Mathematics | CUMMULATIVE EXAM | Place value number system
...en the 1 10s column, the 100s column, the 1000s column, etc. <br><br>So,<br>684 means <br>4x1 + 8x10 + 6x100 = <br>4... | Sep 26, 2007 at 9:17:09PM | |
| $1.00 | Mathematics | pow | Number of eggs, Diophantine equation...
...arted with.<br>Having 2 left over when grouped by 3s means that<br>N-2 is an integer multiple of 3. In equation form, this is<br>N-2 = k*3, for an integer 3.<br><br>In...... | Sep 16, 2007 at 3:31:48PM | |
| $1.00 | Mathematics | pow | Number of eggs...
...ans that<br>N-2 is an integer multiple of 3. In equation form, this is<br>N-2 = k*3, for an integer 3.<br><br>In order for N-2 to be divisible by 3,4,5,6 it must be<br>an...... | Sep 16, 2007 at 3:16:11PM | |
| $5.00 | Physics | Basic Physics 1D Kinematics | Solve eqn relating walking time east to west, then...
... 1.27<br>|Ve| = 0.41<br><br>The walking time west is given by:<br>Dw = Vw*Tw = 6440 = Vw*Tw<br>Tw = 6440/2.58 = 2496.1 s<br><br>Plugging this value of Tw...... | Sep 01, 2007 at 6:12:19PM | |
| $0.50 | Mathematics | systems of equations | Equation of line...
...s. <br><br>You can put the equation in what\'s called \'slope-intercept\' form... | May 30, 2007 at 3:58:23PM | |
| $3.50 | Mathematics | Word problems, use proportion. | Solutions using porportion and...
...= x<br>47*250 = $11,750. <br>This makes sense, because it\'s just the number of hours times the hourly rate.<br><br>*****<br><br>2. A new virus is released on the...... | May 29, 2007 at 10:53:53PM | |
| $3.50 | Mathematics | polynomials | Misc polynomial equations....
...ials of degree one.<br><br>** The degree of a polynomial is the largest exponent in the polynomial. ***<br><br>x3 + 4x + 8<br>If you mean x times 3, then the highest...... | May 29, 2007 at 4:49:02PM | |
| $10.00 | Mathematics | Company Discount | Discounted price comparison algebra...
...ugh the origin with slope 0.75.<br><br>For B:<br>The price paid vs full price is a straight line through the origin with slope 1 up to a full price of $50. Then the line bends over...... | May 28, 2007 at 7:58:37PM | |
| $5.00 | Mathematics | Elementary and intermediate algebra-college level | Solution posted and attached
...28x^3+8x^2-20x+4x^2+12x<br>28x^3+12x^2-8x<br><br>2. If P= 7y + 2xy - 6x and Q= 5 - 7y find the value of 3P-4Q<br>Calc 3P and 4Q separately, then combine:<br>3P = 21y+6xy-...... | May 18, 2007 at 2:59:02PM | |
| $3.00 | Mathematics | recurrence relation | Recurrence relation, calculated values and spreadsheet.
...lation<br>a(n) = 2*a(n-1)+a(n-2)<br>initial conditions:<br>a(1)=2<br>a(2)=3<br><br>results in the recurrence relation... | May 17, 2007 at 9:01:44PM | |
| $1.00 | Mathematics | recurrences | Recurrance relation solution...
...u\'ve written it every a(k) = 0!<br><br>For <br>a=0, a(0) = 0<br>a=1, a(1) = 2*a(0) = 0<br>a=2, a(2) = ... | May 16, 2007 at 10:54:12PM | |
| $1.00 | Mathematics | Math problem | Committe of 5 from 12...
...ng, effectively decreasing the number of possibilities.<br><br>So, you want to choose 5 people from 12, without replacement, and without regard to order. The is ... | May 09, 2007 at 9:22:52PM | |
| $5.00 | Business | Business Statistics | Conditional probability...
...then p(no dis) = 1-p(dis) = 0.99999<br><br>The second set of branches are the test branches<br>Now, at the end of the p(dis) branch add:<br>p(posT) = 1 <- test will always...... | May 09, 2007 at 1:51:39PM | |
| $1.00 | Mathematics | Discrete math | Choosing a committee of 4 from 12
... rule of statistics.<br><br>First, choose chair: there are 12 ways to do this.<br><br>Second, choos... | May 08, 2007 at 5:32:38PM | |
| $1.00 | Chemistry | calculations | Find volume then multiply by rate...
...s:<br><br>V = width*length*depth<br>Since all the dimenensions hav... | Apr 23, 2007 at 12:23:38PM | |
| $3.00 | Mathematics | Algebra - Exponents | Solutions to polynomial equations
...r>For X=25Y-4Y^2+2y^3<br>at Y = 10 then<br>X = 25*10 - 4*100 +2*1000<br>Now simpli... | Apr 20, 2007 at 10:15:01PM | |
| $1.00 | Mathematics | timing | Multipling mixed numbers...
...by 5:<br><br>(7/1)*(5/5) = 35/5<br><br>Now 7+2/5 = 35/5 + 2/5 = 37/5<br><br>Now do the same for 5+2/7:<br><br>5+2/7 = (5/1)*(7/7) + 2/7 =<br>35/7...... | Apr. 18, 2007 at 12:07:06AM | |
| $2.00 | Mathematics | Analytical Geometry | Hyperbola asymptotes...
...rigin with slopes plus and minus b/a. That is<br><br>y=5x/4 and y=-5x/4.<br><br>Check,<br>for the l... | Mar 28, 2007 at 1:06:29PM | |
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...biology<br>5 biopsy<br>6 biosphere<br>7 enact<br>8 export<br>9 geography<br>10 geolo... | Mar 15, 2007 at 2:14:03PM | |
| $5.00 | Mathematics | Problem Solving | Solution to: "Alive all or part of 5 decades..."
... the end of 1966. So, the earliest that she could have been born is Jan 1, 1966. The latest would be the last day of ... | Jan 13, 2007 at 03:06:17PM | |
| $0.50 | Mathematics | A;gbera | No need to use logs, properties of exponents is enough...
...<br><br>Now, any base to the power zero equals 1, <br>so you know that<br><br>2+4t ... | Dec 10, 2006 at 10:41:28PM | |
| $1.00 | Mathematics | help me | Some methods for reasonableness...
...nd see that your answer is in between. If you're looking for the definite integral it must be less than the area of a rectangle whose height is the max of your function... | Nov 20, 2006 at 03:32:13PM | |
| $10.00 | Mathematics | Statistics #8 | Ho: uniform, Ha: not...goodness of fit: chi-square test statistic
...lue for chi-squared, p=0.95, df=2 is 5.991<br><br>Since our t.s. > 5.991 we reject the null hypothesis. Hence we conclude that the distribution is not uniform.<br><br>Note...... | May 13, 2006 at 8:41:08PM | |
| $12.50 | Mathematics | Statistics #1 | ER yes or no -> binomial...
...and then ask for a clarification.<br><br>c) Std dev is square root of variance, <br>var(X) = 20*(.34)(1-.34) = 4.488<br>sqrt(var) = sqrt(4.488) = 2.1185<br><br>d)...... | May. 11, 2006 at 12:22:39AM | |
| $10.00 | Mathematics | Statistics Problem(s) | Serum Cholesterol, 1-sided normal hypothesis test...
...t; 10^(-4); if it\'s the sample you get a p-value of .27.<br><br>Assume that the sigma refers to the sample. Then calculate the standard normal variable:<br>Z = (Xbar-mu)/sigma = (2...... | May 10, 2006 at 7:47:59PM | |
| $10.00 | Mathematics | stastics #6 | Binomial model
...nomial RV. It's value is the number of sucesses in n trials For a large number of samples the standard normal is an excellent approximation for <br>Z = (X-np)/sqrt(np(1... | May 05, 2006 at 03:15:25PM | |
| $10.00 | Mathematics | Statistics Problem | Left tail of standard normal dist...
...u,sigma), unwind the algebra to get <br>mu.<br><br>P( ... | May 04, 2006 at 11:31:42PM | |
