Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 3 - Solving Inequalities - 3-5 Working With Sets - Practice and Problem-Solving Exercises - Page 199: 55

Answer

D

Work Step by Step

Set up a ratio to find the missing length. Since the triangles are similar, the ratio between the lengths of corresponding sides is the same. 59=7x⟶ cross multiply 5x=63⟶ divide each side by 5 5x÷5=63÷5⟶ divide x=12.6
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