SOLUTION: If A and B are sets whose union is B, then it must be true that...

SOLUTION: If A and B are sets whose union is B, then it must be true that...

Algebra.Com

Question 87603: If A and B are sets whose union is B, then it must be true that...
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A is a subset of B
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Cheers,
Stan H.
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