Answer
See below.
Work Step by Step
The equation describes the variation that $z$ varies directly as $\sqrt x$ and inversely as $y^2$.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 6 - Section 6.8 - Modeling Using Variation - Exercise Set - Page 490: 49
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