3 years ago

Help please, I really need to get this test passed

Mathematics

1 answer:

ad-work [718]3 years ago

3 0

Answer:

the secound ansewr

Step-by-step explanation:ik

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15-2x=-7x what does x equal

Degger [83]

Answer:

x = -3

Step-by-step explanation:

15 - 2x = -7x

add 2x

15 = -5x

divide by -5

-3 = x

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3 years ago

Find the percent of decrease from 340 to 260. Round to the nearest tenth of a percent, if necessary. A.) 23.5% B.) 130.8% C.) 30

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Answer: A) 23.5%
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Add x^3 - 4x^2 + 1 to 3x^2 + x <br> Show Your work!

Sladkaya [172]

$\qquad \qquad\huge \underline{\boxed{\sf Answer}}$

Let's solve ~

$\qquad \sf \dashrightarrow \: (x {}^{3} - 4x {}^{2} + 1) + (3 {x}^{2} + x)$

$\qquad \sf \dashrightarrow \: {x}^{3} - 4 {x}^{2} + 1 + 3 {x}^{2} + x$

$\qquad \sf \dashrightarrow \: {x}^{3} - 4 {x}^{2} + 3x {}^{2} + x + 1$

$\qquad \sf \dashrightarrow \: {x}^{3} - {x}^{2} + x + 1$

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Step-by-step explanation:

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Step-by-step explanation:

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