3 years ago

Please someone, I need help! Please and thank you <3.

Mathematics

1 answer:

lawyer [7]3 years ago

7 0

Answer:

9 correct me if im wrong

Step-by-step explanation:

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What condition renders this true, where S and T are sets?

daser333 [38]

Answer:

There are no sets S, T for which

$S \cup T^c=S^c\cap T$

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Step-by-step explanation:

Let the set A be

$A=S\cup T^c$

By de De Morgan's Law

$A^c=S^c\cap ((T)^c)^c$

But

$((T)^c)^c=T$

$A^c=S^c\cap T$

We conclude that

$S \cup T^c=S^c\cap T\Rightarrow A=A^c$

which is a contradiction because no set is equal to its complement.

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Step-by-step explanation:

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Makovka662 [10]

Answer:14/20 and 10/12

Step-by-step explanation:

7/10

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5/6

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