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antiseptic1488 [7]
3 years ago
8

need ASAP!! will give brainliest!!! if u dont know the answer pls dont answer I NEED ANSWERS TO EITHER QUESTION NO NEED TO SHOW

WORK

Mathematics
1 answer:
Fiesta28 [93]3 years ago
5 0

Answer:

C

Step-by-step explanation:

They have the same midpoint.

Hope this helps.

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(2x-7)-(4x^2+6x-3)+(x^2+4)
masha68 [24]

Answer:

-3x^2-4x

Step-by-step explanation:

Simplify:

\left(2x-7\right)-\left(4x^2+6x-3\right)+\left(x^2+4\right)

=2x-7-\left(4x^2+6x-3\right)+x^2+4

Group same factor:

=-\left(4x^2+6x-3\right)+x^2+2x-7+4

Add :

=-\left(4x^2+6x-3\right)+x^2+2x-3

Apply the distributive law: -(a+b) = -a - b

-\left(4x^2+6x-3\right)=-4x^2-6x+3

=-4x^2-6x+3+x^2+2x-3

Group same factor:

=-4x^2+x^2-6x+2x+3-3

Subtract:

=-4x^2+x^2-6x+2x

Add:

=-3x^2-6x+2x

Group same factor:

=-3x^2-4x

Hence answer = -3x^2-4x

<u><em>~lenvy~</em></u>

8 0
2 years ago
PLEASE ANSWER ASAP WITH WORK FOR BRAINLEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Ede4ka [16]

Answer:

divide it then you'll get your answer!

Step-by-step explanation:

8 0
3 years ago
A national charity contacted 100
Stels [109]

Answer:

c. The mean of all sample proportions of those who make a donation from all random samples of 100 people contacted by phone is 0.05.

Step-by-step explanation:

If this is the same question I had then this would be the correct answer, hope this helps!

3 0
3 years ago
Convert 37.45 to a fraction
Art [367]

Answer:

37   9/20

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
How can you rewrite the expression (8-5i)^2 in the form a+bi?
otez555 [7]
(a-b)^2 = a^2-2ab+b^2

(8-5i)^2 = 8^2-2(8)(5i)+(5i)^2

= 64-80i+25i^2

i^2=-1

So

= 64-80i+25(-1)

=64-25-80i

= <em><u>39 - 80i</u></em>

which is your answer :)
8 0
4 years ago
Read 2 more answers
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