Answer
$x=10$
Work Step by Step
1. Original equation
$\frac{15}{45}=\frac{x}{30}$
2. Simplify
$\frac{1}{3}=\frac{x}{30}$
3. Solve for x
$3x=30$
$x=10$
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 1 - Quiz (Sections 1.1-1.2) - Page 21: 9
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