Algebra PLEASE HELP!

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1. Algebra

   If y varies directly with x, and y = 110 when x = 100, find the constant of variation k. If y = kx, then 110 = k*100. Solve for k. Check my thinking. Wouldn't I divide 110 by 100=1.1? yes

   asked by Lynn on July 29, 2007

2. Math

   DIRECT VARIATION 1. a is directly proportional to b.If a=15,then b=9 2. m varies directly as n.If n=2/3,then m=1/4 3. T varies as the square root of L. If L=81,then T=10 4.r varies directly as the square of t. If t=16,then r=6. 5.

   asked by Mark Russel on October 17, 2009

3. Pre-Calc

   1.) Suppose that y varies directly as x. If y is 5 when x is 30, the constant of variation is 150. True Or False 2.) If w varies directly as z and w = 9 when z = -6, find w when z = 3. 3.) If y varies directly as x and y = 2 when

   asked by Anna on October 2, 2014

4. Variation

   I have few questions that I need checked please and could you help me with the last question? Write an equation that expreses the relationship. Use k as the constant of varaiation. 1. s varies directly as h -I got: s=kh 2.a varies

   asked by Soly on October 8, 2007

5. algebra1

   M varies directly with n; m=144 when n=8. What is the constant of variation k? I don't know what this mean. Could you help me out in solving this/ A statement such as "M varies directly with n" can be changed to the equation M=kn,

   asked by cheryl on March 29, 2007

6. math

   t varies directly as the square root of l. If l=81, then t=10 what is the constant proportion? 1. a is directly proportional to b. If a = 15, then b = 9 2. M varies directly as n. If n = 2/3, then m = 1/4 3. T varies as the square

   asked by Anonymous on February 6, 2012

7. Pre-Algebra

   If y varies directly with x, find the constant of variation with x = 4 and y = -24 If y varies inversely with x, find the constant of variation with x=5 and y = 10 If y varies directly with x, and y = 35 when x = 5 , find x when y

   asked by Anon on June 7, 2015

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   How do I set up this equation? If Y varies directly as X and Y = 12 when X = 3, find Y when X = 16

   asked by Sarah on February 25, 2008

9. Math

   This is regarding direct variation. y varies directly as the square of R. If y = 128 when R = 8, find y when R = 5. Another one I cannot figure out: If x varies directly as y, and x = 32 when y = 8, find x when y = 10 Help!

   asked by Mike on April 18, 2010

10. Math

    if y varies directly with x find the constant of variation with x=4 and y=-24. -6** 4 -96 6 if y varies directly with x and y=35 when x=5 find x when y=-7 1 7 -1** -5 if y varies directly with x and y =-12 when x=6 find x when

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