Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 9 - Section 9.4 - Variation and Problem Solving - Exercise Set: 10

Answer

$9.9$ miles

Work Step by Step

$d=k\sqrt h$ $d=$ distance to the horizon $h=$ elevation of the observer $d=7.4; h=36$ $7.4=k\sqrt {36}$ $7.4=k(6)$ $k=\frac{37}{30}$ Distance to the horizon at an elevation of $64$ feet: $d=k\sqrt {64}$ $d=\frac{37}{30}\sqrt {64}$ $d=\frac{37}{30}(8)$ $d\approx9.9$ miles
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.