Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 3 - Solving Inequalities - 3-7 Absolute Value Equations and Inequalities - Practice and Problem-Solving Exercises: 75

Answer

89.992$\leq$d$\leq$90.008

Work Step by Step

Let d be the actual diameter of a piston in mm The difference between the actual & ideal diameter is at most 0.008 |d-90000|$\leq$0.008 => d-90000$\leq$0.008 and d-90000$\geq$-0.008 => d $\leq$90000.008 and d$\geq$89999.992 or 89999.992$\leq$d$\leq$90000.008
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