Answer
$M=8z$
Work Step by Step
Since we are told that $M$ varies directly as $z$, we have:
$M=kz$
We are given: $M=120$ and $z=15$, so we have:
$120=k*15$
$k=8$
Thus, the equation is:
$M=8z$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 1, Equations and Graphs - Chapter 1 Review - Exercises - Page 171: 111
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
