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 - 6.6 Solve Radical Equations - 6.6 Exercises - Problem Solving - Page 458: 60a

Answer

See below

Work Step by Step

Given: $t_1=0.81\\t_2=1.12$ Obtain $t=0.5\sqrt h$ Solve for $h$: $2t=2\times0.5\sqrt h\\2t=\sqrt h\\4t^2=h$ For $t_1:h=4t_1^2=4(0.81)^2\approx2.6$ feet For $t_2:h=4t_2^2=4(1.12)^2=5.02$ feet
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