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Vedmedyk [2.9K]
3 years ago
11

Which phrase describes the variable expression z+ 8?

Mathematics
1 answer:
grigory [225]3 years ago
8 0

Answer:

D

Step-by-step explanation:

In math increased means that you are adding.

Have a good day and a good rest of your week!

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(2a^2 + ab +2b)+(4a^2-3ab+9)​
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Answer:

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Step-by-step explanation:

Simplify the following:

2 a^2 + a b + 2 b + 4 a^2 - 3 a b + 9

Grouping like terms, 2 a^2 + a b + 2 b + 4 a^2 - 3 a b + 9 = (a b - 3 a b) + 2 b + (2 a^2 + 4 a^2) + 9:

(a b - 3 a b) + 2 b + (2 a^2 + 4 a^2) + 9

a b + a b (-3) = -2 a b:

-2 a b + 2 b + (2 a^2 + 4 a^2) + 9

2 a^2 + 4 a^2 = 6 a^2:

Answer:  -2 a b + 2 b + 6 a^2 + 9

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Step-by-step explanation:

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mihalych1998 [28]
A = s^2 \\ s =  \sqrt{A}
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Answer:

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Use the exponent properties to simplify the following<br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B3x%5E3y%5E2z%7D%7B27xy%5E2
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