4 years ago

The collection of whole numbers is an example of a set. OA. True O B. False

Mathematics

1 answer:

Pani-rosa [81]4 years ago

6 0

Answer:

It is false

Step-by-step explanation:

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Answer with Step-by-step explanation:

We are given that A, B and C are subsets of universal set U.

We have to prove that

$A\cap (B-C)=(A\cap B)-(A\cap C)$

Proof:

Let x $\in A\cap (B-C)$

Then $x\in A$ and $x\in(B-C)$

When $x\in ( B-C)$ then $x\in B$ but $x\notin C$

Therefore, $x\in( A\cap B)$ but $x\notin (A\cap C)$

Hence, it is true.

Conversely , Let $x\in(A\cap B)$ but $x\notin(A\cap C)$

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Hence, the statement is true.

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3 years ago

The perimeter of a square is 4/5 what is its area

34kurt

Answer:

1/25

Step-by-step explanation:

square has 4 sides, if you add them all up you get 4/5.

1/5+1/5+1/5+1/5=4/5

so each side is 1/5

Area=length * width

A=1/5*1/5=1/25

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2 years ago

Two studies were completed in California. One study in northern California involved 1,000 patients; 74% of them experienced flul

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3 years ago

Read 2 more answers

Which of these numbers are rational? (Choose all that apply)

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Answer:

-7

Step-by-step explanation:

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3 years ago

five times the difference of twice a number and three, decreased by the sum of the number and eight, equals thirteen

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5x(2y-3)-(y+8)=13 I believe this is correct

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3 years ago

The collection of whole numbers is an example of a set. OA. True O B. False​

The collection of whole numbers is an example of a set. OA. True O B. False