SOLUTION: Find an equation that describes the following variation y varies inversely as z, and y = 45 when z = 12.

SOLUTION: Find an equation that describes the following variation y varies inversely as z, and y = 45 when z = 12.

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Question 1010218: Find an equation that describes the following variation
y varies inversely as z, and y = 45 when z = 12.
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Since y varies inversely as z, we write that as
y = k/z
Now plug in to get
45 = k / 12
and
k = 540
so that our final equation is

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