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castortr0y [4]
3 years ago
7

Simplify: (5x+3y)-(2x-7y)+8x​

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
7 0

Answer:

11x-10y

Step-by-step explanation:

Combine like terms.

(5x+3y)-(2x-7y)+8x

3x + 8x

Remember to distribute the negative.

-(-7y) = +7y

3y +7y

Combine like terms once again.

3x+8x= 11x and 3y+7y= 10y

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Answer:

20

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3 years ago
Given cos A = 0.25 find angle A in degrees. Round your answer to the nearest hundredth.
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We have that
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8 0
4 years ago
|2+3(-4)|
puteri [66]

Answer:

10

Step-by-step explanation:

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3 0
3 years ago
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Betty is making 6 skirts. Each skirt uses 2/3 of a yard. How many yards does she need?
AysviL [449]

Answer:

She needs 4 yards.

Step-by-step explanation:

To multiply fractions, you just multiply the whole number by the numerator of the fraction.

<em>The numerator is the top number of a fraction.</em>

<em>The denominator is the bottom number of a fraction.</em>

You can think of the whole number 6 as the fraction 6/1.

<h3>Step 1</h3>

Multiply 6/1 by 2/3

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<u></u>

<h3>Step 2</h3>

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<h2>So betty needs 4 yards of fabric to make 6 skirts.</h2>

8 0
4 years ago
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