Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 6 Rational Exponents and Radical Functions - Mixed Review of Problem Solving - Lessons 6.1-6.3 - Page 436: 4b



Work Step by Step

Given: $r=x\\h=5$ The total amount of water dispensed is $128(8.8)=1126.4$ cubic feet. If the water dispensed makes the pool half full, then: $\frac{1}{2}V=1126.4\\\rightarrow V=2252.8$ The volume of a cylinder: $V=15.7x^2$ Substitute: $2252.8=15.7x^2$ Hence, the equation that can be used to find the radius is $15.7x^2=2252.8$
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