SOLUTION: Find the constant variation and write the related variation equation. C varies directly with R and inversely with the square of S. C=21 R=17 S=1.5

Algebra ->  Systems-of-equations -> SOLUTION: Find the constant variation and write the related variation equation. C varies directly with R and inversely with the square of S. C=21 R=17 S=1.5      Log On


   



Question 1005581: Find the constant variation and write the related variation equation.
C varies directly with R and inversely with the square of S.
C=21 R=17 S=1.5

Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
C varies directly with R and
inversely with the square of S.
C = kR/S^2
21 = k17/1.5^2
21 = k17/2.25
21 x 2.25 = k17
k = 21 x 2.25/17
k = 2.78 (2 decimal places)
Equation:
C = 2.78 R/S^2
Hope this helps :-)