Answer
See below.
Work Step by Step
We obtain: $v=1.34\sqrt l\\v^2=1.8 l\\l=\frac{v^2}{1.8}$
Hence here $v=7.5$, thus $l=\frac{7.5^2}{1.8}=31.25$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 6 Rational Exponents and Radical Functions - 6.4 Use Inverse Functions - 6.4 Exercises - Problem Solving - Page 444: 49
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