Answer
10 is constant of variation
$y=10xz^2$
Work Step by Step
$y=kxz^2$
$y=360$ when $x=4$, $z=3$
$y=kxz^2$
$360=k*4*3^2$
$360=4k*9$
$360=36k$
$360/36=36k/36$
$10=k$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 9 - Section 9.4 - Variation and Problem Solving - Exercise Set - Page 664: 38
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