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icang [17]
3 years ago
9

Are 5:20 and 15:60 equivalent

Mathematics
2 answers:
andre [41]3 years ago
8 0

yes it equivalant because if you decide both numbers by 3 you get the second ratio.

Viktor [21]3 years ago
5 0

Yes. When simplifying 15:60 by dividing each side by 3, you get 5:20, which is the same as 5:20.

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Using properties of sets show that : a) A ∩ (A’ U B) = A ∩ B b) A ∩ (A U B )’ = Ф
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Step-by-step explanation:

a) By distributive law of sets, we have;

A ∩ (B ∪ C) = (A ∩ B) ∪ (A ∩ C)

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By associative law of sets, we have;

A ∩ (A' ∩ B') = (A ∩ A') ∩ B'

A ∩ A' = ∅ (complementary law of sets)

Therefore, (A ∩ A') ∩ B' = ∅  ∩ B' = ∅

Which gives;

A ∩ (A ∪ B)' = ∅.

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