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Ipatiy [6.2K]
3 years ago
15

What is 9%+278.045 or 278.045+9%

Mathematics
1 answer:
rodikova [14]3 years ago
3 0
The answer to this equation would be 278.135
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1) 4

2) 0, 2, -10

3) 0, 5, -2

Step-by-step explanation:

1) x³ - 64 = 0

x³ = 64

x = 4

2) x³(x² + 8x - 20) = 0

x³(x² + 10x - 2x - 20) = 0

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3) x³ - 3x² - 10x = 0

x(x² - 3x - 10) = 0

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4 0
3 years ago
-10x - 135 = 117 + 2x<br> A. 25<br> B. -18<br> C. -21<br> D. 22 <br> Helps pls
Lina20 [59]

Answer:

C

Step-by-step explanation:

Add 10x to both sides:

-10x - 135 = 117 + 2x

-10x - 135 + 10x = 117 + 2x + 10x

-135 = 117 + 12x

Subtract 117 from both sides:

-135 - 117 = 117 + 12x - 117

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Divide both sides by 12:

\frac{-252}{12} = \frac{12x}{12}

-21 = x

So the answer is C.

Hope this helps!

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Step-by-step explanation:

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