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2 years ago

✨Please help it would mean a lot!:)✨

Mathematics

2 answers:

zlopas [31]2 years ago

8 0

Answer:

Hello!

The answer to this question is most likely B or D

DENIUS [597]2 years ago

3 0

Answer:

x=6.5

y= -.5

Step-by-step explanation:

Plug it in and see if it works to make sure. Good luck

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Which expression is equivalent to 1/2 x + (-70) - 2 1/4 x - (-2) *

katovenus [111]

Answer:

-7/4x-68

Step-by-step explanation:

8 0

3 years ago

If A={2,3,5,7} and B={2,4,6,8} then what is AnB?

gregori [183]

Answer:

A∩B = {2}

Step-by-step explanation:

It asks for the common set of A and B.

<u>There only one element common to both the given sets:</u>

A={2,3,5,7} and B={2,4,6,8} ⇒ A∩B = {2}

6 0

3 years ago

Read 2 more answers

I need help in the question 7

Alona [7]

6.75 in by 5 in. the area is 33.75

4 0

3 years ago

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre

Len [333]

Answer:

In the operation, simplify

9-a² = (3-a)(3+a)

Factorize

4a²-4a-24-------------------divide each term by 4

a²-a-6-------------------------factorize

a²-3a+2a-6

a(a-3)+2(a-3)

(a+2)(a-3)

Factorize

a²-6a+9

a²-3a-3a+9

a(a-3)-3(a-3)

(a-3)(a-3)

Rewrite operation as

$\frac{8}{(3-a)(3+a)} /\frac{(a+2)(a-3)}{(a-3)(a-3)}$

Multiply by the recipricol

$\frac{8}{(3-a)(3+a)} *\frac{(a-3)(a-3)}{(a+2)(a-3)}$

cancel the similar terms

$\frac{8}{(3-a)(3+a)} *\frac{(a-3)}{(a+2)}$

6 0

3 years ago

Please simplify the expression

nikklg [1K]

$\bf (-5+8\cdot i)+(-9+5\cdot i)\implies -5+8i-9+5i\implies -5-9+8i+5i
\\\\\\
\boxed{-14+13i}$

8 0

3 years ago