Algebra PLEASE HELP!
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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 
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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 
PreCalc
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 
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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 
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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 
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 
PreAlgebra
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 
Math
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 
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 
Inverse variation
A variable 'm' varies directly as 'a' and inversely as 'b'. If m=6 when a=7 and b=4, what is 'm' when a=9 and b=12? M= constant*a/b Find the constant from the first set of data, then, using that, find m in the second set.
asked by Jen on February 7, 2007