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2 years ago

I think it is A but i am not sure can someone check and tell me if im wrong

Mathematics

1 answer:

nordsb [41]2 years ago

7 0

Answer: it is 1.8

Step-by-step explanation: you can look up this same qustion and find it on branly <3 your right

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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

In the data set #2 {75,80,85,75,85}, what is the mean?

Fantom [35]

Answer:

Step-by-step explanation:

7 0

3 years ago

7.064 and expanded form

Andreas93 [3]

Answer:

seven and sixty-four thousandths

Step-by-step explanation:

in factors it would be

7 x 1

+ 0 x 0.1

+ 6 x 0.01

+ 4 x 0.001

3 0

3 years ago

The Correct Answer Is?

Alekssandra [29.7K]

Hello!

n<span>≤-1/2 means that n is less than the open circle, because an open circle means the variable can not be equal to that point. so your answer is: D

I hope this helps, and have a nice day.
</span>

8 0

4 years ago

How do you find the length of a rectangle if its 2 units more than the width and the area is 72

Nastasia [14]

Let width equal X and length equal X+2. Use algebra 72 = X times X+2

4 0

3 years ago