SOLUTION: Let U={1, 2, 3, 4, 5, 6, 7, a, b, c, d, e}. If A={1, 3, b, c} and B={2, 4, 5, 7, b, c, e}, find n(Ac). 7 2 8 3 19 11 Please help. Thank you

Algebra ->  Expressions -> SOLUTION: Let U={1, 2, 3, 4, 5, 6, 7, a, b, c, d, e}. If A={1, 3, b, c} and B={2, 4, 5, 7, b, c, e}, find n(Ac). 7 2 8 3 19 11 Please help. Thank you      Log On


   

Question 1054959: Let U={1, 2, 3, 4, 5, 6, 7, a, b, c, d, e}. If A={1, 3, b, c} and B={2, 4, 5, 7, b, c, e}, find n(Ac).
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Please help. Thank you
Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.
Ac is the subset of the set U which contains all elements of U that do not belong to A.

By knowing THIS, even a child from a sand-box can answer your question.

Make a list of elements of Ac.

Make a list, by listing one element after the other.