Answer
.628
Work Step by Step
Using the rules of exponents, we find:
$$2x=log_{10}(18) \\ x=.5log_{10}(18) \\ x=.628$$
Checking this solution by plugging it back in, we find that the solution is correct.
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 13, Trigonometric Ratios and Functions - 13.4 Evaluate Inverse Trigonometric Functions - 13.4 Exercises - Mixed Review - Page 830: 49
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