Tutorials Posted by math1234
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| math1234's Posted Tutorials | |||||
| Bounty | Category | Question | Tutorial | Date Posted | |
|---|---|---|---|---|---|
| $15.00 | Mathematics | casino outcomes | here you go
...0 with a house edge within the $2—$4 range and the initial bet to be between<br>$5 and $20.<br><br>Option 1:<br>Player wins:<br>• Grand prize if sum of two dice is...... | Jun 17, 2009 at 4:57:32PM | |
| $2.50 | Mathematics | Experimental Probability | here you go
...erence of 4 and the difference of 9.<br><br>2 spins gives you 100 possibilities.<br>4: eith... | Jun 17, 2009 at 4:34:17PM | |
| $3.00 | Business | Arbitrage Opportunity? If so What? | here you go
... = 115<br><br>solve for a<br>112 + 1.12a - 1.05a = 115<br>.07a = ... | May 30, 2009 at 01:57:39PM | |
| $1.00 | Mathematics | I NEED HELP WITH MATH ALGEBRA I DON'T KN | ok
...ok what... | May 22, 2009 at 10:26:20PM | |
| $7.50 | Mathematics | probability 8 - 57 | here you go
...[ 1/(2!2!18!58!) + 1/(3!1!17!59!) + 1/(4!1!16!60!)] = 81909/316316 = chance of winning<br><br>odds: 316316/81909 = 3.861797849<br><br>probability when 5 = <br>[(5c3)(75c1...... | May 20, 2009 at 4:26:31PM | |
| $10.00 | Mathematics | Number system closure | here you go
...use pi * (1/pi) = 1, rational<br>division: no, because pi/pi = 1, rational<br><br>Imaginary<br>addition:no, because i + (-i) = 0, real<br>subtraction:no, ... | May 19, 2009 at 8:10:41PM | |
| $15.00 | Law | Crime Causation: Select a well-known criminal offender (e.g. Al Capone, Jeffrey Dahmer, Charles Manson). Part I: Descri | "Crime Causation: Select a well-known criminal offender (e.g. Al Capone, Jeffrey Dahmer, Charles Manson). Part I: D
...day in the pouring rain. we had to be out of our apartment by today, plus my youngest is very sick with some kind of tummy ach and she is upset because her birthday is on fri... | May 04, 2009 at 01:47:54PM | |
| $10.00 | Computer-Science | Any Greasemonkey script writers able to help me on this one? | ok
...more fully, I want to go directly to the http://studentoffortune.com/cgi/msg_compose?to=[user name] link whenever I clic... | May 04, 2009 at 01:44:17PM | |
| $80.00 | Mathematics | Discrete Math and It's Applications | correct solution
...ust work the problems. The $40... | May 03, 2009 at 8:57:56PM | |
| $50.00 | Mathematics | MAT 117 | MAT 117
... ... | May 02, 2009 at 11:42:32PM | |
| $50.00 | Mathematics | MAT 116 | MAT 116
... 116 ... | May 02, 2009 at 11:42:01PM | |
| $50.00 | Mathematics | MAT 115 | MAT 115
... ... | May 02, 2009 at 11:40:58PM | |
| $2.00 | Mathematics | logic1 | here you go
...experiment,sample space, and event.<br><br>okay step by step, please dont miss any steps, proof by pro... | May 02, 2009 at 05:14:56PM | |
| $4.99 | Mathematics | math help | here you go
..."math h... | May 02, 2009 at 01:54:28PM | |
| $5.00 | Mathematics | an open top box is to be made from 8 in.by 12 in | correct solution
...the volume of the box v as a function of x.use the graphing calculator ... | May. 02, 2009 at 12:54:43AM | |
| $50.00 | Mathematics | MAT117 Help | ok
...eed ... | May. 02, 2009 at 12:23:46AM | |
| $5.00 | Mathematics | what is the one millionth term in the se | correct solution
...4,4,4,5,5,5,5,5,...in which each positive integer n occurs n times?<br><br>sum(1 to n) n = n(n+1)/2. because eac... | May. 02, 2009 at 12:20:56AM | |
| $5.00 | Mathematics | Calculus - Integrating Trig Functions | correct solution
... +C = -(1/w)Em*cos(wt+a) +C .<br><br>answer is (1)<br><br><br>2. i... | May. 01, 2009 at 09:06:29AM | |
| $5.00 | Mathematics | geniusy_2006 tutor help needed--PLEASE HELP(I am lost) | correct solution
...y = 13 @ $9.75<br><br>Jen<br>Sandy's Sweatshirt Shop sells college sweatshirts. White sweatshirts sell for $18.95 each and the red ones sell for $19.50 each. If the receipts for the...... | May. 01, 2009 at 08:46:59AM | |
| $1.00 | General-Questions | what is the remainder when 203 is divide | correct solution
...ided by 2?<br><br>203/... | May. 01, 2009 at 07:05:58AM | |
| $7.00 | Business | finance | correct solution
... of what happens.<br><br>call the number of shares a, number of 105\'s b, and number of 95\'s c. then you have a system of equations:<br><br>$80: -20a + 17b + 10c = 1<br>...... | May. 01, 2009 at 03:48:55AM | |
| $3.00 | Mathematics | Math project | correct solution
...Cheap charges $20 a day and 35 cents a mile. Which agency would you choose? Why?<br><br>34 +.15x = 20+.35x<br>14 = .20x<br>x = 70<br><br>at 70 miles, they both...... | May. 01, 2009 at 02:35:46AM | |
| $3.00 | Mathematics | Two car rental agencies are competing fo | correct solution
...Why?<br><br>34 +.15x = 20+.35x<br>14 = .20x<br>x = 70<br><br>at 70 miles, they both cost the sam... | May. 01, 2009 at 02:06:06AM | |
| $19.00 | Mathematics | Help with Algebra | ok
...oor. So I am looking for just some help o... | May. 01, 2009 at 01:59:31AM | |
| $2.99 | Mathematics | finite math 4-7 | correct solution
...e math 4-... | May. 01, 2009 at 01:14:07AM | |
| $2.99 | Mathematics | finite math 3 3 | correct solution
...er than or equal to 0, x2 greater than or equal to 0<br><br>here is the answer, i just need the steps.<br><br>a. 2x1 + 5x2 + s1 = 5... | May. 01, 2009 at 01:06:11AM | |
| $1.00 | Mathematics | The sum of two numbers is 56. The differ | correct solution
...<br><br>x+y=56<br>x-y=22... | Apr 30, 2009 at 10:36:54PM | |
| $2.00 | Mathematics | You are standing on a bridge over a cree | correct solution
...re standing on a bridge over a creek,holding a ston... | Apr 30, 2009 at 10:33:02PM | |
| $8.00 | Music | vet calculation dosage #4 | correct solution
...the drug Albon. He weighs 6.3lbs. The dosage is 25mg/lb for the first treatment, then 12.5mg/lb. maintanance dose to be given once daily for 20 day... | Apr 30, 2009 at 10:24:29PM | |
| $10.00 | Mathematics | vet calculation dosage #3 | correct solution
... 5lb chihuahua is supposed to receive amoxicillin at a dose of 20mg/kg SQ. The concentration of solution is 100mg/ml.<br>a. what is the dog's weigh in kg?<br>1.0 lb = 0.453597 kg, so 5lb=...... | Apr 30, 2009 at 10:20:31PM | |
| $3.00 | Mathematics | If you had one dollar and two-thirds wer | correct solution
...ennies, two-fifteenths were nickels, and ... | Apr 30, 2009 at 9:58:26PM | |
| $1.99 | Mathematics | Nonzero matrix | correct solution
... all zero entries. Please explain your reasoning for your solution.<br><br>A=<br>[0 1]<br>[0 0]<br><br>bec... | Apr 30, 2009 at 9:56:33PM | |
| $5.00 | Mathematics | PLEASE HELP!!! Totally lost (Math 116) Want how you came to get the answer | correct solution
...quation y=-1777x+27,153 can be used to predict the number y of gun deaths in the United Sta... | Apr 30, 2009 at 9:03:50PM | |
| $5.00 | Mathematics | Sudipta | correct solution
.../x<br>{y = x+1 is shown. Use the gr... | Apr 30, 2009 at 9:00:36PM | |
| $2.50 | Mathematics | PLEASE HELP!!! Totally lost (Math 116) Want how you came to get the answer | correct solution
...irection on parallel tracks. Train A is traveling at 100 mph and train B is traveling at 120 mph. T... | Apr 30, 2009 at 8:59:33PM | |
| $5.00 | Mathematics | Sudipta | correct solution
...d B-A.<br>B:<br>[234874 83400]<br>[36950 25664]<br>[19733 4778]<br><br>A:<br>[50510 55868]<br>[431 6856]<br>[2461 390]<br><br>B-A=<...... | Apr 30, 2009 at 8:55:38PM | |
| $5.00 | Mathematics | PhDforU Only | #5 correct solution
...yv<br>dG/du=yz3u^2-2uv^2<br>dG/dv=2x-2vu^2<br><br>so the Jacobian matrix is<br><br>[0 -2yv ]<br>[yz*3u^2 - 2uv^2 2x... | Apr 30, 2009 at 8:48:26PM | |
| $5.00 | Mathematics | PhDforU Only | #4 correct solution
...B) = F(B \\\\ AintB U AintB) = F(B \\\\ AintB) + F(AintB).<br><br>solving for F(A \\\\ AintB) and F(B \\\\ AintB), we get:<br>F(A \\\\ AintB)=F(A) - F(AintB)<br>F(B \\\\ AintB)...... | Apr 30, 2009 at 8:46:58PM | |
| $5.00 | Mathematics | PhDforU Only | #3 correct solution
...note that this is also the same as dT.<br><br>now just invert the matrix to find the inver... | Apr 30, 2009 at 8:46:27PM | |
| $5.00 | Mathematics | PhDforU Only | #2 correct solution
...y row i from the left matrix by column j in the right matrix to get entry ij in the product, for i,j,=1,2,3.<br>[fg+0*g+0*g f*0+0*g+0*2g' f*0+0*0+0*g]<br>M(f)M(g)= [f'g+fg'+0*g'' f'*0+fg+0...... | Apr 30, 2009 at 8:45:58PM | |
| $5.00 | Mathematics | Statistics 314 | #4
...x-2|, 0<x<4.<br><br>a. Find the value of c that makes this a legitimate probability density function<br><br>from 0 to 2, it's int(0,2) -cx dx = -2c.<br>from 2 to 4,...... | Apr 30, 2009 at 8:38:30PM | |
| $5.00 | Mathematics | Probability simulation!! | correct solution
...many times will a Chevy arrive at the same time as a Ford?<br><br>50 simulations of each:<br><br>4344313322435343443245343... | Apr 30, 2009 at 8:26:32PM | |
| $7.50 | Mathematics | Math 156 Test | here you go
... you go ... | Apr 30, 2009 at 8:19:48PM | |
| $5.00 | Mathematics | Statistics 314 | #2
...st term is 0.<br><br>= c*(e^-c)*sum(k=1 to inf) (k)*(c^(k-1))/(k-1)! <br><br>= c*(e^-c)*sum(k=1 to inf) (k -1 + 1)*(c^(k-1))/(k-1)! <br><br>= c*(e^-c)*sum(k=1 to...... | Apr 30, 2009 at 8:12:06PM | |
| $4.00 | Mathematics | Statistics 314 | #3
...ity of being <= x. so the probability of being greater is<br><br>P(X>=x) = e^(-kx).<br><br>Since it's memoryless, it's the same as ... | Apr 30, 2009 at 7:54:30PM | |
| $10.00 | Education | MTh 156 week 6 | here you go
... go ... | Apr 30, 2009 at 7:05:38PM | |
| $17.00 | Mathematics | word problems 2 | here you go
...you go ... | Apr 30, 2009 at 6:53:56PM | |
| $15.00 | Mathematics | Word problems | here you go
...go ... | Apr 30, 2009 at 6:38:35PM | |
| $3.95 | Mathematics | Law of large numbers | correct solution
...wn words the law of large numbers. Provide an example to illustrate. <br><br>The law of large numbers means that if you repeat an experiment over and over again, the average of the trials...... | Apr 30, 2009 at 6:05:35PM | |
| $5.00 | Mathematics | Please help. I need this by tomorrow | #6
...solid under the plane z=4x and above the circle x^2+y^2=16 in the xy-plane.<br>a) Write the double integral in polar coordinates to calculat... | Apr 30, 2009 at 05:13:35PM | |
| $1.00 | Mathematics | v = square root of U^2+2as Make u the s | correct solution
...as<br>Make u the subject of the form... | Apr 30, 2009 at 04:43:07PM | |
| $1.25 | Mathematics | Math problems | 36
...(good) 75% of the time. If her hard serve is in, she wins 75% of her points. If her soft serve is in, she wins 50% of her points. Since she is allowed to reserve one time if her first serve is o... | Apr 30, 2009 at 04:39:17PM | |
| $4.00 | Mathematics | Math problems | 1,20,28,32
...git table?<br>a) Tossing a fair die <br>check the first random digit. if it's even, call that "heads". if it's odd, call it "tails".<br><br>b) Picking 3...... | Apr 30, 2009 at 04:30:35PM | |
| $100.00 | General-Questions | Question for ilal | Cheese.
... or ma... | Apr 30, 2009 at 02:49:03PM | |
| $1.95 | Business | Required Return For a Preferred Stock | here you go
..., the price of a share of preferred stock can be determined using the foll... | Apr 30, 2009 at 02:09:29PM | |
| $5.00 | Mathematics | Solve it want save as a word doc | here you go
...actored as conjugates<br>(4x+3y)(4x-3y) <br><br>6. 6x(8x-3)=0<br><br>x=0, x=3/8<br><br>7. Drops a bucket from 256 foot building what is the height h=-16t^2+25...... | Apr 30, 2009 at 01:52:35PM | |
| $5.00 | Mathematics | Please help. I need this by tomorrow | #5
...<br><br>dydx = r drdt<br><br>the line y=x corresponds to t=pi/4. so t starts at pi/4 and end... | Apr 30, 2009 at 01:23:22PM | |
| $5.00 | Mathematics | Please help. I need this by tomorrow | #7
...y=0 and has density p(x,y)=2xy. Determine the iterated integral for the moment of inertia about the y-axis. D... | Apr 30, 2009 at 01:07:48PM | |
| $5.00 | Mathematics | Please help. I need this by tomorrow | #4
.... since it's the first octant, z starts at 0. so the bounds for z are (0,4-y-x).<br><br>then it's int(0,1)int... | Apr. 30, 2009 at 12:12:58AM | |
| $5.00 | Mathematics | Please help. I need this by tomorrow | #2
... the area of the region bounded by the graphs of y=(ln(x))/x , y=x-1 and x=5<br><br>find whe... | Apr. 30, 2009 at 12:03:34AM | |
| $5.00 | Mathematics | Please help. I need this by tomorrow | #1.
... = int(0,2)int(2x,x^2) x^2+4y dy dx = int(0,2)x^2y+2y^2[eval at x^2 - eval at 2x] dx = int(0,2) 3x^4 - 2x^3 -8x^... | Apr 29, 2009 at 11:46:18PM | |
| $1.50 | Business | Finance | #1.
...<br>Taxable income(EBT) $ 550.00 $ 311.00<br>Taxes(34%) $ 187.00 $ 105.74<br>Net income $ 363.00 $ 205.26... | Apr 29, 2009 at 11:32:54PM | |
| $1.00 | Mathematics | 3 2/4 + 5 3/4=reduce answers to lowest | correct solution
...5 3/4... | Apr 29, 2009 at 11:10:42PM | |
| $0.99 | Mathematics | Geometry help! | correct solution
... it up into 12 triangles. the apothem is the height of each triangle. t... | Apr 29, 2009 at 10:31:40PM | |
| $4.95 | Mathematics | Statistics Questions (Need Urgent) | correct solution
...5 0.15<br><br>Ford Arrival Probabilities<br>Minutes<br>Apart Probability<br>1 0.15<br>2 0.25<br>3 0.3<br>4 0.2<br>5 0.1<br><br>Simul... | Apr 29, 2009 at 10:18:42PM | |
| $1.00 | Mathematics | If a person burns 8.9 calories in 1 minu | correct solution
...1 minu"<br>If a person burns 8.9 calori... | Apr 29, 2009 at 8:53:05PM | |
| $1.00 | Mathematics | If a person burns 8.9 calories in 1 minu | correct solution
...If a person burns 8.9 calories in 1 m... | Apr 29, 2009 at 8:52:27PM | |
| $25.00 | Mathematics | mark can overhaul an engine in 20 hrs, a | correct solution
...s them 1/[(1/20)+(1/30)] = 12 hours to to the work togeth... | Apr 29, 2009 at 7:45:38PM | |
| $1.00 | Mathematics | f/g, f(n+1) | correct solution
...gs:<br><br>1. (f/g)(x)<br><br>2. ... | Apr 29, 2009 at 7:28:36PM | |
| $3.00 | Mathematics | surprise questions******* | correct solutions
...)<br>=sqrt(2500+ 961) = sqrt(3461) = 58.83026432 = 58.83... | Apr 29, 2009 at 7:02:38PM | |
| $1.00 | Mathematics | Tasty Bakery sells three kinds of muffin | correct solution
...90<br>cr = 2ch<br>125ch + 40o... | Apr 29, 2009 at 6:54:06PM | |
| $1.00 | Mathematics | linear equations | correct solution
... i solve this eq... | Apr 29, 2009 at 6:35:09PM | |
| $5.00 | Mathematics | Homework do in a couple of hours need help please! Thank you | correct solutions
...<br>v = -1.54858<br><br>c: sqrt(7x+29) = x+3<br>7x+29 = x^2 + 6x + 9<br>x^2 -x -20 = 0<br>(x-5)(x+4) = 0 but -4 is extraneous<br>x = 5 <br><br><...... | Apr 29, 2009 at 6:29:52PM | |
| $5.00 | Mathematics | cal2 help | #6
...n(n), let\'s use l\'hopital\'s rule: 1/ (1/n) = n.<br><br>but that goes to infinity, so the terms don\'t ha... | Apr 29, 2009 at 6:10:56PM | |
| $10.00 | Mathematics | cal2 help | #2
...br><br>c: e^(n+1)/ n^2 . use l\'hopital\'s rule:<br><br>e^(n+1) / 2n. use it again:<br><br>e^(n+1) / 2. this sequence obviously d... | Apr 29, 2009 at 6:02:47PM | |
| $1.00 | Mathematics | write the standard equation of the circl | correct solution
...0,0) is just x^2 + y^2 = r^... | Apr 29, 2009 at 5:40:21PM | |
| $5.00 | Mathematics | cal2 help | #5
...o inf) x^2n = sum(n=0 to inf) x^(2n+1).<br><br>it converges for -1 < x < 1, because the geometric series does.<br><br>differentiating term by term,<br><br>f'(...... | Apr 29, 2009 at 5:00:19PM | |
| $5.00 | Mathematics | cal2 help | #4
... inf) (-1)^n*(x^2)^n<br><br>=sum(n=0 to inf) (-1)^n x^2n.<br><br>th... | Apr 29, 2009 at 4:59:17PM | |
| $1.00 | Physics | four basic forces from weakest to strong | correct solution
...next: weak nuclea... | Apr 29, 2009 at 4:57:19PM | |
| $0.99 | Mathematics | You are a production manager for a pill | correct solution
...n manager for a pill manufacturer. You must get the materials for a production run. The order calls for 10,000 pills. T... | Apr 29, 2009 at 03:02:06PM | |
| $5.00 | Mathematics | How do I get started on this? Find the p | a solution
... nearest cm) of a rectangular polygon inscribed in a circle with radius 5 cm.<br><br>you can ... | Apr 29, 2009 at 02:48:27PM | |
| $3.95 | Mathematics | Measurement: 5 Math Questions | correct solutions
... (9/5)*35 + 32 = 95 F<br><br>12.2<br><br>20: triangle: perimeter= 3*8cm = 24cm, area= base * height / 2 = 8cm * 4*sqrt(3)cm /2 = 16*sqrt(3) sq cm<br><br>hexagon:...... | Apr 29, 2009 at 01:43:55PM | |
| $1.00 | Mathematics | plot the points (-6,3),(0,3),(-6,0) and | correct solution
... there, and the line has slope 1/2, because y=0 at... | Apr. 29, 2009 at 12:07:40AM | |
| $2.00 | Mathematics | Calculus | 10, 11
.../(n-6)^8|<br><br>= 15 lim n |(n-7)^8 / (n-6)^8| = 15.<br><br>so the... | Apr 28, 2009 at 11:57:57PM | |
| $1.00 | Mathematics | calculus | #3
...he ratio test, r = lim | cn / c(n+1)| = lim |(4n^2 + 8n + 48) / n^2 + 11 | = 4<br><br>so th... | Apr 28, 2009 at 11:51:23PM | |
| $1.00 | Mathematics | Power Series | #3
...converges, so 1/(n^2+11) converges, and (-1)^n/(n^2+11) converges.<br>at x=-4, similar a... | Apr 28, 2009 at 11:47:46PM | |
| $7.50 | Computer-Science | a java questions | 1, 2, and 3
...n the next available spot and bump everything after it up, t... | Apr 28, 2009 at 11:21:45PM | |
| $3.25 | Mathematics | Pythagorean theorom | correct solutions
...hrow the ball to first base?<br><br>sqrt(90^2 + 50^2) = sqrt(10600) = 102.956 feet<br><br>3. Two trains leave the same city at the same time. One heads due west and one due...... | Apr 28, 2009 at 10:29:33PM | |
| $1.00 | Mathematics | Statistics help | correct solution
...n is the number of things. so a is... | Apr 28, 2009 at 10:15:07PM | |
| $1.00 | Mathematics | can you please help me with the equation 90% of 20 | correct solution
...0 = 18... | Apr 28, 2009 at 10:03:15PM | |
| $4.00 | Mathematics | 5 Math Trig Questions | correct solutions but #2 doesn't show up in the .doc
...and 3rd:<br>c + 12d + 3d = c+ 15d = 4.95<br>3c + 6d + 5d = 3c + 11d = 4.65<br><br>3*1st - 3rd, replace 3rd.<br>0 +(45-11)d = 34d = 10.2<br>d = $0.3 <br>r =...... | Apr 28, 2009 at 9:58:16PM | |
| $4.00 | Mathematics | derivative, change in rate | correct solution
...90-19t)^2)<br><br>base 3:<br><br>d3(t) = sqrt(90^2 + (19t)^2)<br><br>d3'(t) = (1/2)*(sqrt(90^2 + (19t)^2)^(-1/2) * d/dt(19t)^2<br><br>d3'(t) = 361t /...... | Apr 28, 2009 at 9:13:55PM | |
| $5.00 | Physics | physics | problems 1-4
...0kg*25m/s = 15000 kg m/s = 15000 Ns (Newton seconds)<br><br>3) A 200 g ball is thrown upwards with an initial kinetic energy of 10 Joules. What maximum height will the ball reach? (Neglect...... | Apr 28, 2009 at 8:57:23PM | |
| $0.70 | Mathematics | volume | correct solution
...<br><br>2 sides use the width and height, 3x2 = 6, so 2 sides have area... | Apr 28, 2009 at 8:31:19PM | |
| $2.00 | Mathematics | more derivative | correct solution
...tiate both sides, use the product rule and chain rule<br><br>(1/y)y' =... | Apr 28, 2009 at 8:29:06PM | |
| $1.00 | Mathematics | help me with my homework | what do you need help with
...what ... | Apr 28, 2009 at 6:15:08PM | |
| $13.00 | Mathematics | Math 205 exam | correct solutions
...he 6th power since each digit has 10 possibilities.<br>2. for a given set of three times, there are 3!=6 ways of going to the places. there are 6choose3=6!/(3!*3!)=20 ways of choosing the times....... | Apr 28, 2009 at 6:12:31PM | |
| $1.00 | Chemistry | write a balanced chemical equation for t | correct solution
...nane<br><br>nonane is C9H20. so add enough oxygen to make it co2 and h20:... | Apr 28, 2009 at 5:53:21PM | |
| $1.00 | Business | accounting | correct solution
...e with your pal’s remarks about the income statement and its lack of importance? Explain why or why not.<br><br>I don't agree. The balance sheet tells you how much cash you have at any...... | Apr 28, 2009 at 5:38:09PM | |
| $5.00 | Mathematics | math quiz | correct solutions
...n the mean.<br><br>5.<br>a. older people die off, which decreases the mean<br>b. [15*10 + 50]/11 - 15 = 3.1818<br><br>6.<br>a. Central is more consistent...... | Apr 28, 2009 at 5:31:46PM | |
| $3.00 | Mathematics | Calculus | 12, 13, 14
... a geometric series on 1/(1+x/6). it is:<br>1 - 1/6x + 1/36x^2 - 1/216x^3 + 1/1296x^4<br><br>now just muliply everything by (x/6)<br><br>(1/6)x - (1/36)x^2 + (1/216)x^3 ... | Apr 28, 2009 at 5:11:56PM | |
| $3.75 | Mathematics | calculus | 10, 11, and 12
...<br>just do it one piece at a time.<br>the series for arctan(x) is x - (1/3)x^3 + (1/5)x^5 -(1/7)x^7 + ...<br>so plug in (2x^2) everywhere you see x:<br><br>arctan(2x^2)...... | Apr 28, 2009 at 4:50:45PM | |
| $1.00 | Mathematics | calculus | #5 correct solution
...^3)x^3 - (1/7^4)x^4 + ...<br><br>just multiply that by 9x:<br><br>9x[1/(7+x)] = (9/7)... | Apr 28, 2009 at 4:28:04PM | |
| $3.00 | Mathematics | Calculus | 5, 6 and 7 (where's 8?)
...<br><br>it's a Taylor series, so the nth term is <br><br>[f^((n))(x0)]*(x-x0)/n!<br><br>where x0=1.<br><br>f(1)= 1<br>1/0! = 1<br>-->c0 =...... | Apr 28, 2009 at 3:58:40PM | |
| $2.00 | Mathematics | calculus | 6 and 8
...*(1 + 9x + 81x^2 + (9x)^3 + (9x)^4) + ...<br>= 7 + 63x + 567x^2 + 510... | Apr 28, 2009 at 3:56:43PM | |
| $0.45 | Mathematics | how you do linear equation -5x+1>11 | correct solution
...-5x + ... | Apr 28, 2009 at 3:21:31PM | |
| $0.89 | Mathematics | 2/3-1/2+3/4 divided by 5/6-7/8 | correct solution
...ever you need to get the sa... | Apr 28, 2009 at 3:01:40PM | |
| $10.00 | General-Questions | Help needed!! | correct solutions
...e are the probabilities of 12, 11, 10 respectiviely<br>8. (0.5)^5<br>9. if the twos are in a fixed spot, then it\\'s (1/6)^2 * (5/6)^18. But there are 20choose2 so multiply those 2...... | Apr 28, 2009 at 06:31:19PM | |
| $5.00 | Mathematics | advance cal today | #4 correct solution
...F(A) = F(A \\ AintB U AintB) = F(A \\ AintB) + F(AintB)<br>and likewise<br>F(B) = F(B \\ AintB U AintB) = F(B \\ AintB) + F(AintB).<br><br>solving for F(A \\ AintB) and F(B...... | Apr 28, 2009 at 03:48:36PM | |
| $1.00 | Mathematics | graph linear equation(1.5x = y) | correct solution
...(2,1).<br><br>now draw a line that... | Apr 28, 2009 at 03:25:50PM | |
| $1.00 | Mathematics | I need help solving...22s=16+3(5s+4) | correct solution
...2<br>7s=28<br>s=4<br><br>s... | Apr 28, 2009 at 03:24:43PM | |
| $5.00 | Mathematics | advance cal today | #2 correct solution
...= [f'' f' 0]<br> [f''' 2f'' f']<br><br>to get M(f') just plug in f' everywhere you see f:<br><br> [f' 0 0] [f' 0 0]<br>M...... | Apr 28, 2009 at 03:18:51PM | |
| $2.00 | Mathematics | USING THE SIMPLEX METHOD | correct solution
...3 to get the new matrix<br>-40 0-3 1 0-45<br>2 3 3 0 1 0 30<br>1 1 0 0 1 1 0<br><br>the bottom row is all positive so you are done<br><br>so the solution is...... | Apr. 28, 2009 at 12:24:39AM | |
| $50.00 | Mathematics | I have a plant that is 11 inches tall. I | correct solution
...11 inches.<br>so... | Apr 27, 2009 at 9:46:22PM | |
| $5.00 | Mathematics | advance cal today | #3 correct solution
...4]<br> [-0.1 0.2]<br>this is the inverse of dT, or (dT)^-1<br><br>so T^-1 = (0.3x + 0.4y, -0.1x ... | Apr 27, 2009 at 9:44:20PM | |
| $5.00 | Mathematics | advance cal today | #5 correct solution
...2]<br>[-1 0]<br><br>the determinant is (-1)(-2)=2 which is nonzero, so the Jacobian is invertible.<br><br>According to the implicit... | Apr 27, 2009 at 9:35:33PM | |
| $0.25 | Mathematics | Power Series | #1 and #2
...=12, right not in... | Apr 27, 2009 at 9:21:23PM | |
| $5.00 | Mathematics | math 116 | correct solution
... a: y = 56 - x<br> intercepts are at (0,56) and (56,0)<br> from part b:y=3x<br> intercepts are at (0,0)<br> to find where they intersect, set 3x=56-x<br> so x=14,...... | Apr 27, 2009 at 9:03:32PM | |
| $1.00 | Mathematics | what is the area | correct solution
...formula for area is base times hei... | Apr 27, 2009 at 8:46:21PM | |
| $1.00 | Mathematics | COMPOUNDED ANNUALLY QUESTION | correct solution
... rate is 0.115 so raise 1.115... | Apr 27, 2009 at 8:35:59PM | |
| $2.00 | Mathematics | SIMPLEX METHOD PROBLEM | correct solution
... augmented form<br> 2 1 1 1 0 0 25<br> 2 3 3 0 1 0 30<br>-1 -2 -3 0 0 1 0<br><br>-3 in the bottom is the pivot column because it is the biggest negative<br>tes...... | Apr 27, 2009 at 8:34:07PM | |
| $1.00 | Mathematics | Matrix question | correct solution
...itely man sol... | Apr 27, 2009 at 8:21:12PM | |
| $2.00 | Mathematics | LINEAR PROGRAM QUESTION | correct solution
... the constraints<br>2a + 2b ... | Apr 27, 2009 at 8:19:58PM | |
| $3.00 | Mathematics | MEAN,MEDIAN,MODE, | correct solution
... 25 26 28 30 30 32... | Apr 27, 2009 at 8:17:35PM | |
| $0.99 | Mathematics | Graph of a function F(x) | correct solution
...ne<br>e 0<br>f 3... | Apr 27, 2009 at 8:12:45PM | |
| $1.00 | Mathematics | i dont understand this | correct solution
...an be reduced to 3/... | Apr 27, 2009 at 8:01:20PM | |
| $15.00 | Education | Mth 156 week 6 | correct solution
...alid if you use the associative property on -3(-2) to equal -(3(-2)=-(-6)=6<br> the second one is valid if you know that subtracting a negative is the same as adding<br>62 one person says...... | Apr 27, 2009 at 7:58:08PM | |
| $1.00 | Mathematics | in the morning it -6 degrees F. by noon | correct solution
...ubtract -6 from... | Apr 27, 2009 at 7:27:27PM | |
| $1.00 | Mathematics | what is the least common multiple of 16 | correct solution
...f 2<br>so t... | Apr 27, 2009 at 6:45:33PM | |
| $1.00 | Mathematics | what is the least common multiple of 16 | correct solution
...have a common fa... | Apr 27, 2009 at 6:44:31PM | |
| $0.25 | Mathematics | help me with solving quadradtic systems | i can help you
... you<br>... | Apr 27, 2009 at 6:39:37PM | |
| $1.00 | Mathematics | Find the value of y in the mod 11 system | correct solution
...<br>since we're in mod 11, ... | Apr 27, 2009 at 6:30:00PM | |
| $1.00 | Mathematics | PRESENT VALUE | correct solution
...o the 5th.<br>multiply by 5000 since... | Apr 27, 2009 at 6:28:24PM | |
| $1.00 | Education | Proof Read for me Please! =) | here you go
...ed it for ... | Apr 27, 2009 at 6:26:28PM | |
| $1.00 | Mathematics | Write the augmented matrix of the system | correct solution
...-2]<br>[-5... | Apr 27, 2009 at 6:07:38PM | |
| $1.00 | Mathematics | Loan word problem | correct solution
...06x = 300<br>x = 5000<br>s... | Apr 27, 2009 at 6:05:23PM | |
| $0.99 | Mathematics | Quadratic Functions | correct solution
...ution is<br><br>A, C... | Apr 27, 2009 at 5:56:48PM | |
| $1.00 | Mathematics | Equation HElP please.. Thank u | correct solution
...)(x+2)<br>put a dot at (-8,0) and (-2,0) since... | Apr 27, 2009 at 5:44:53PM | |
| $0.25 | Mathematics | percenatges | correct solution
...ide 5 by 20... | Apr 27, 2009 at 5:40:36PM | |
| $0.85 | Mathematics | if it takes 10 seconds to reach the bott | correct solution
...<br>only acceleration is ... | Apr 27, 2009 at 5:37:18PM | |
| $1.00 | General-Questions | frank collects baseball carda.he has the | correct solution
... 2x=252... | Apr 27, 2009 at 5:35:16PM | |
| $1.00 | Mathematics | What is 3x+12<48 Can you please help me | correct solution
...oth sides by 3:<br>x < 1... | Apr 27, 2009 at 5:30:55PM | |
| $1.50 | Mathematics | Find an equation of the line tangent to | correct solution
...e for dy/dx:<br><br>18 + 10dy/dx =0<br><br>dy/dx = -9/5<br><br>so the slope of the tangent line throu... | Apr 27, 2009 at 5:28:44PM | |
| $0.99 | Chemistry | Please help me solve this chemistry problem | correct solution
...L =0.0292mol<br><br>number of moles = ma... | Apr 27, 2009 at 1:37:37PM | |
| $0.99 | Mathematics | pls help me understand this circle geometric question | correct solution
...le is pi*r^2. but that's for 360 degrees. s... | Apr 27, 2009 at 1:23:06PM | |
| $0.99 | Mathematics | how do u graph 3x+y<5? | correct solution
...r one at (5/3,0). draw a line that connects the tw... | Apr 27, 2009 at 1:18:31PM | |
| $1.50 | Business | Accounting | solution to 2.
...the income statement and its lack of importance? Explain why or why not.<br><br>I don't agree. The balance sheet tells you how much cash you have at any one time, but the income st... | Apr 27, 2009 at 1:03:07PM | |
| $1.00 | Mathematics | MATH HELP | number 24
...l ways the digits can add up to 3.<br><br>so the numbe... | Apr 27, 2009 at 12:50:44PM | |
| $2.00 | Mathematics | repetitious number problem, prove that t | correct solution
...br>14300x + 1430y + 143z<br><br>now divide by 11:<br>1300x + 130y + 13z<b... | Apr 27, 2009 at 12:38:19PM | |
| $12.00 | Astronomy | Astronomy | everything except 1,2,14
...about muscle movement? Chemical reactions in the body are electromagnetic. Those reactions in muscles fight earth's gravity.<br>What about thought? Electromagnetic.<br><br>4. If a...... | Apr 27, 2009 at 06:58:28PM | |
| $2.50 | General-Questions | How does money make trade easier? | purpose of money
... if B wants a banana and C wants the apple? Then you need money. Let's say A writes an IOU that's redeemable for an apple. A gives the IOU for B's orange. Now B has an IOU that's redee... | Apr 27, 2009 at 05:24:56PM | |
| $1.00 | Chemistry | Explain what would happen if ammonia wer | ok
...Use a chemical equation to support your answer.<br><br>amm... | Apr 27, 2009 at 05:03:09PM | |
| $1,000.00 | Mathematics | Given: Set A = {(-2,-1), (-1,0),(1,8)} S | here's the answer
... {(-2,-1), (-1,0),(1,8)} Set B= {(-3,-4), (-... | Apr 27, 2009 at 04:17:41PM | |
| $1.00 | Mathematics | help me find the area of a squre cube wi | ok
... side has area... | Apr 27, 2009 at 04:15:00PM | |
| $1.00 | Chemistry | Please help me solve this chemistry problem | here's the answer
...r of moles = molarity x volume = 0.5... | Apr 27, 2009 at 04:13:20PM | |
| $0.50 | Mathematics | system of linear equations | ok
...<br>2x+8y=4<br>so 34x = 16<br>... | Apr 27, 2009 at 03:59:31PM | |
| $10.00 | Mathematics | trigonemtric functions | Part a question 2
...1<br>then g'(x)=e^x and h'(x)=2x+2<br>so<br>f'(x... | Apr 27, 2009 at 03:54:11PM | |
| $1.00 | Mathematics | depreciaiton-cal-derivitives | use the chain rule to differentiate "e^-.2t" by t
... 5 or V'(5)<br><br>the chain rule is d/dx f(g(x))= f'(g(x))g'(x).<br>let f(x)=12... | Apr 27, 2009 at 03:49:31PM | |
| $1.00 | Mathematics | calc-tangent line equation | use the quotient rule to differentiate "x^2/e^x" by x
...(x)=e^x<br>so g'(x)=2x<br>and h'(x)=e^x<br><br>so f'(x)=[g'... | Apr 27, 2009 at 03:41:58PM | |
| $1.00 | Mathematics | 27x + 9 = 13x + 51 | ok
...+ 9 =... | Apr 27, 2009 at 03:37:00PM | |
| $1.00 | Mathematics | the slope of the line tangent to the gra | differentiate "y=4x-xlnx" by x
...se the product rule for "xlnx": d/dx f(x)g(x)= f'(x)g(x) + f(... | Apr 27, 2009 at 03:35:22PM | |
| $1.00 | Mathematics | 3x+4/10=14/x | there are *TWO* answers
...10 = 14/x<br>3x^2 +4/10 x =14<br>3x... | Apr 27, 2009 at 03:23:58PM | |
| $1.00 | Mathematics | Round trip average mph | use the harmonic mean
...2 / [(1/10)... | Apr 27, 2009 at 03:15:24PM | |
| $0.75 | Mathematics | find the equation of a straight line pas | simple formula
...= (-11 + 3) / (-4 - 0... | Apr 27, 2009 at 03:09:21PM | |
| $0.80 | Mathematics | there is 7 girls on a bus each girl ha | lots
...ts<br>343 big cats x 7 = 2... | Apr 27, 2009 at 03:02:16PM | |
| $16.00 | Mathematics | angles 4/29 | explain #2 better
...C^2 + BC^2 = AB^2 <br>so AC^2 + 144 = 169<br>AC^2 = 25<br>AC = 5in<br>b): perimeter = AC + BC + AB = 5in + 12in + 13in = 30 in<br>c): area = base x height / 2 = AC x BC /...... | Apr 27, 2009 at 02:49:09PM | |
