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shutvik [7]
3 years ago
6

Is -9 a rational or irrational number

Mathematics
1 answer:
daser333 [38]3 years ago
7 0
-9 is a rattional number because it is an integer and it can be squared.
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What two numbers can you multiply to get 130?
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130 ÷ 2 = 65

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2 × 65 = 130

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Solve for x. 25 - 3x = -5(1 - x) - 2x
grandymaker [24]

Answer:

x = 5

Step-by-step explanation:

25 - 3x = -5(1 - x) - 2x

<u></u>

<u>We have to first get rid of the parenthesis:</u>

-5 * 1  ==>  -5

-5 * -x  ==>  5x

<u>So now you should have:</u>

25 - 3x = -5 + 5x - 2x

<u>Combine like terms:</u>

25 - 3x = -5 + 5x - 2x

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<u>Add 3x to both sides:</u>

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<u>And you should have:</u>

25 = -5 + 6x

<u></u>

<u>Add 5 to both sides:</u>

25 = -5 + 6x

+5 = +5

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<u>Divide 6 to both sides:</u>

\frac{30}{6}     =      \frac{6x}{6}

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