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 - Lesson Check: 7

Answer

sometimes

Work Step by Step

If A⊆B, then every member of A is also a member of B. If B⊆A, then every member of B is also a member of A. If A⊆B and B contains members that A does not, then B⊈A. Two sets can be subsets of each other only when they contain exactly the same members.
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