29. Show that if |a – 5| < } and |b – 8| <, then |(a + b) – 13| < 1. Hint: Use the triangle inequality (Ja + b| < |a| + \b[).

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterA: Appendix
SectionA.3: Inequalities
Problem 9E
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29. Show that if |a – 5| < } and |b – 8| <, then
|(a + b) – 13| < 1. Hint: Use the triangle inequality (Ja + b| < |a| + \b[).
Transcribed Image Text:29. Show that if |a – 5| < } and |b – 8| <, then |(a + b) – 13| < 1. Hint: Use the triangle inequality (Ja + b| < |a| + \b[).
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