Find the answer fast and I need a perfect steps..
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Answer 30 and 31 as soon as possible..
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And take 15 points...
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Answered by
3
31 answer is 12 and 32 answer is 6
steps
how
Answered by
2
30)
n(A) = 20
n(B) = 17
n(AUB) = 24
n(AnB) = ?
n(AUB) = n(A) + n(B) - n(AnB)
n(AnB) = n(A) + n(B) - n(AUB)
= 20 + 17 - 24
= 37 - 24
= 13 ✓✓✓
n(A) = 20
n(B) = 17
n(AUB) = 24
n(AnB) = ?
n(AUB) = n(A) + n(B) - n(AnB)
n(AnB) = n(A) + n(B) - n(AUB)
= 20 + 17 - 24
= 37 - 24
= 13 ✓✓✓
ok.
31 ??
ANSWER for 31
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