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inysia [295]
4 years ago
5

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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Prove each statement that is true and find a counterexample for each statement that is false. Assume all sets are subsets of a un
tekilochka [14]

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)

Then x\in A and x\in B

When x\notin ( A\cap C) then x\notin C

Therefor,x\in A\cap (B-C)

Hence, the statement is true.

5 0
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

3 0
2 years ago
Two studies were completed in California. One study in northern California involved 1,000 patients; 74% of them experienced flul
gtnhenbr [62]
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4 0
3 years ago
Read 2 more answers
Which of these numbers are rational? (Choose all that apply)
dezoksy [38]

Answer:

-7

Step-by-step explanation:

3 0
3 years ago
five times the difference of twice a number and three, decreased by the sum of the number and eight, equals thirteen
trapecia [35]
5x(2y-3)-(y+8)=13 I believe this is correct
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3 years ago
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