SOLUTION: if y=7.2 when x=10, what is the value of x when y=20? (y varies inversely as the square of x.) a)6 b)10 c)14.4 d)20

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Question 41030: if y=7.2 when x=10, what is the value of x when y=20? (y varies inversely as the square of x.)
a)6
b)10
c)14.4
d)20
Answer by Nate(3500) About Me  (Show Source):