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Vadim26 [7]
2 years ago
7

Find the sum. Write your answer in standard form. (7x +13) + (x3 + 4x2 – 8)

Mathematics
2 answers:
mel-nik [20]2 years ago
6 0

Answer:

. Simplify: (4x2 - 2x) - (-5x2 - 8x).

Solution:

(4x2 - 2x) - (-5x2 - 8x)

= 4x2 - 2x + 5x2 + 8x.

= 4x2 + 5x2 - 2x + 8x.

= 9x2 + 6x.

= 3x(3x + 2).

Answer: 3x(3x + 2) Step-by-step explanation:

iris [78.8K]2 years ago
5 0
The answer is 4x^2+10x+5
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5x-4x+3=4x-12<br> A)4<br> B)5<br> C)-5<br> D)-4
slavikrds [6]

Answer:

B.) 5

Hope this helps :)

Step-by-step explanation:

5x - 4x + 3 = 4x - 12

x + 3 = 4x - 12

 +12               +12

x + 15 = 4x

-x         -x

15 = 3x

x = 5

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balu736 [363]
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I'll assume that the number of days in year is 360
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The effective rate is
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3 years ago
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What is 123.7666 rounded to the nearest tenth?
Aneli [31]

Answer:

123.8

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natali 33 [55]
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thank you hope this helps
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