SOLUTION: if c varies inversely as the square of d and d=4 when c=0.2, what is the constant of variation

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Question 615591: if c varies inversely as the square of d and d=4 when c=0.2, what is the constant of variation
Answer by stanbon(75887) About Me  (Show Source):
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if c varies inversely as the square of d and d=4 when c=0.2, what is the constant of variation
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c = k/d^2
0.2 = k/4^2
k = 16*0.2 = 80
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Cheers,
Stan H.
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