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| Bounty | Category | Question | Tutorial | Date Posted | |
|---|---|---|---|---|---|
| $0.25 | Mathematics | Please help with these equations | complete, accurate answer
... 340000<br><br>2) We have a system of linear equations. So we need to eliminate one of the variables. Let\'s multiply the first equation by 4 and subtract the second equation to get rid...... | Feb. 19, 2009 at 08:54:14AM | |
| $0.25 | Chemistry | the relative atomic mass of oxygen in 16 | complete, accurate answer
...nce of isotope with mass 16.<br><br>Let x = fraction of isotope 16<br>Then 1-x = fraction of iso... | Feb. 19, 2009 at 08:33:18AM | |
| $0.25 | Mathematics | in algebra one which property is illustr | complete answer
...br><br>This ... | Feb. 19, 2009 at 08:19:36AM | |
| $0.25 | Mathematics | Calculus | complete, accurate solution
... = 1/sqrt[8u+6]<br><br>We can re-write this in exponent form. Sqrt is the exp... | Feb 18, 2009 at 7:29:45PM | |
| $0.25 | Mathematics | Calculus | clear, well-explained answer
....<br><br>f\'(x) = (1/3)*(x+6)^(-1/2)<br>f\'(x) = (1/3)(-1/2)(x+6)^(-3/2)*(1)<br>f\'(x) = -(1/6)*(... | Feb 18, 2009 at 7:24:22PM | |
| $0.25 | Mathematics | Find the Half Life | complete, well-explained answer
... take the natural ln of it. So we take the ln on both sides:<br>ln (1/2) = ln [0.999567^t]<br><br>We simplify the abov... | Feb 18, 2009 at 7:16:14PM | |
| $0.25 | Mathematics | CREATE 3 EXAMPLES OF COMPLIMENTARY AND S | accurate, well-explained answer
...egrees (in other words, they make a right angle).<br>Examples of complimentary angles are:<br>30 degrees and... | Feb 18, 2009 at 7:06:36PM | |
| $0.25 | Mathematics | find two consecutive integers whose prod | simple, well-explained solution
... = x<br>Second integer = x + 1<br><br>"product is 11 ... | Feb 18, 2009 at 4:20:29PM | |
| $0.25 | Chemistry | the molar mass of chlorine gas is | simple, clear explanation
...le of chlorine gas):<br><br>Molar mass of o... | Feb 18, 2009 at 4:14:08PM | |
| $0.25 | Mathematics | The are 7 girls who have 7 backpacks eac | simple, easy to follow solution
...49 cats<br><br>each cat has 4 legs<br><br>total number o... | Feb 18, 2009 at 4:03:39PM | |
| $1.00 | Mathematics | hoe do i do this??? | simple, easy to follow solution
...<br><br>To find average speed going back home, re-arrange equation for speed: ... | Feb 18, 2009 at 3:58:52PM | |
| $1.00 | Mathematics | I need help with my algebra homework | Simple, easy to follow solution
...general equation is y = k(x)(z)<br>Re-arrange for k: k = y/(xz)<br><br>We fi... | Feb 18, 2009 at 3:49:29PM | |
| $0.25 | Mathematics | log base 2(x+1)+log base 2(3x-1)=5 | 100% accurate answer with clear, easy to follow explanations
...he attached... | Feb 18, 2009 at 3:21:12PM | |
| $3.00 | Mathematics | Systemopia Park Adventure | Linear Algebra question: simple, easy to follow solution, 100% accurate
...r>Now we use equations b) and d) to eliminate the variable y and solve for variable z.<br>Multiple equation b) by 2.5:<br>(8y + 5z = 96.21) * 2.5 ----> 20y + 12.5z = 240.525<br>...... | Feb 17, 2009 at 8:11:56PM | |
