SOLUTION: Let A = {15, 25, 35, 45, 55, 65} and B = {25, 45, 65}. What is A ∩ B?
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Question 897958: Let A = {15, 25, 35, 45, 55, 65} and B = {25, 45, 65}. What is A ∩ B?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
A ∩ B is the set of items that are in BOTH set A and set B
Notice how 25, 45 & 65 are in set A and in set B
So that means A ∩ B = {25, 45, 65} which is exactly equal to set B
It turns out that because B is a subset of set A, this means A ∩ B = B. This is one of the many properties of sets.
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