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GalinKa [24]
2 years ago
7

What pairs of numbers have a sum of 18 and the difference is 4

Mathematics
1 answer:
Mademuasel [1]2 years ago
6 0

Answer:

They are 7 and 11. 11 + 7 = 18, 11 - 7 = 4.

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Help
Genrish500 [490]

Answer:

the coefficient of x is 2

Step-by-step explanation:

(3x - y + z) + (2x - y - z) - (3x - y - z) = 3x - y + z + 2x - y - z - (3x - y - z)

Apply the distributive law:  - (a - b)  = -a + b

Therefore, - (3x - y - z) = -3x + y + z

So (3x - y + z) + (2x - y - z) - (3x - y - z) = 3x - y + z + 2x - y - z - 3x + y + z

Collect like terms:                                 = 3x + 2x - 3x - y - y + y + z - z + z

Combine like terms:                              = 2x - y + z

Therefore, the coefficient of x is 2

Therefore, the coefficient of x is 2

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2 years ago
Which is an equation of the line<br> Passing through (2,-8) with slope<br> of - 5?
Nookie1986 [14]

Answer:

point-slope form: y+8=-5(x-2)

Step-by-step explanation:

hope this helps :)

4 0
2 years ago
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Answer:

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Jace owns a small business selling bagels. He knows that in the last week 37 customers paid cash, 6 customers used a debit card,
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Answer:

268

Step-by-step explanation:

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11/37=x/900

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