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calculus
Leave any unneeded answer spaces blank. [Hint: use synthetic division to solve.] f(x) = (1x^3  3x^2  25x + 75)/(1x^3  19x^2 + 118x  240) the roots of f(x), in increasing order is/are.... ___, ___, ___ f(x) has holes when x
asked by gloria on June 3, 2012 
Algebra, math
how do I find a value of x that will make each proportion true?? 12 = x ___ ___ 16 20 and 8 = 14 __ ___ 12 x Cross multiply to find x. Here's the first one; perhaps you can try the second one on your own. 12/16 = x/20 16x = 240
asked by Joe on April 9, 2007 
Mathematics/prealgerbra
how do I find a value of x that will make each proportion true?? 12 = x ___ ___ 16 20 and 8 = 14 __ ___ 12 x See previous post. i still don't get it sorry Cross multiply to find x. Here's the first one; perhaps you can try the
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The problem to solve is: (x+20)(x12)(x+4)>0 but I can't figure out how to do this right so I left off the >0 and tried to solve the equation. x+20 evaluates to x+20 x12 evaluates to x12 Multiplying x+20 by x12 is a classic
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SAC = STC/y = (w1(y/240)^2 + 48w2) / y = (w1)(y/240)^2(y) + ((48)(w2))/y = (w1)(y/240)^2 + ((48)(w2))/y
asked by Anonymous on October 14, 2009

One more 5th grade adding letter problem
I thought I was getting the hang of these but I'm stumped on this one too. Any advise on how to solve it? s e e d + i c e d  s p i c e c= ___ d=___ e=___ i= ___ p= ___ s=___ Hint: Solve for s and i. Then is e is even or
asked by Rich A on October 10, 2008 
math
I need help solve the equation by fractions 8/(21y) = 12/(y+19) I think the answer is y = 5, i just need to know how to do work out. i done some solution like this first multiply by(21y)(y+19)(assuming that y = 21 and y = 19:
asked by Anonymous on February 23, 2012 
Math
If 450 kilowatts of electric used cost 25.32, then how much would 240 kilowatts of electric cost? first find how much one kilowatt costs. so divide 450 kilowatts/$25.32 and you get your answer. then take that answer and multiply
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statistics
Terms and Definitions matching ___ Statistics ___ Discrete variable ___ Statistics ___ Continuous variable ___ Population ___ Qualitative data ___ Population parameters ___ Quantitative data ___ Sample ___ Mean ___ Bias ___ Mode
asked by Anonymous on December 14, 2010 
Math
I'm stumped on this one too: s e e d + i c e d  s p i c e c= ___ d=___ e=___ i= ___ p= ___ s=___ Hint: Solve for s and i. Then is e is even or odd? Thanks for your help.
asked by Rich on October 9, 2008