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alyshaaa36
19.05.2021 •
Mathematics
Im still not over the scammy sitution, any armys that want to come with me to burn it down?:)
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Ответ:
Step-by-step explanation:
We can start with some helpful facts:
n(U) = 50n(A) = 4n(I) = 4n(P) = 1n(N) = 8n(O) = 3and all subsets are mutually exclusive.
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n(P') = n(U) -n(P) = 50 -1 = 49
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n(A' ∪ N) = n(A') = n(U) -n(A) = 50 -4 = 46
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n(I' ∩ O') = n(U) -n(I) -n(O) = 50 -4 -3 = 43
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n(P∩N) = 0 . . . . no states begin with the letter P and also with the letter N.
For reference, here is a list of the relevant states:
{Alabama, Alaska, Arizona, Arkansas, Idaho, Illinois, Indiana, Iowa, Nebraska, Nevada, NewHampshire, NewJersey, NewMexico, NewYork, NorthCarolina, NorthDakota, Ohio, Oklahoma, Oregon, Pennsylvania}