Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 2 - Set Theory - 2.2 Subsets - Exercise Set 2.2 - Page 68: 71

Answer

TRUE

Work Step by Step

All natural numbers from 31 to 49 are in the interval of natural numbers x such that 20≤X≤50.
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