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balandron [24]
3 years ago
7

The difference between 12 and ten times a number is -28

Mathematics
1 answer:
aev [14]3 years ago
8 0

Answer:

<h2>4</h2>

Step-by-step explanation:

n-\text{the number}\\\\12-10n=-28\qquad|\text{subtract 12 from both sides}\\\\12-12-10n=-28-12\\\\-10n=-40\qquad|\text{divide both sides by (-10)}\\\\\dfrac{-10n}{-10}=\dfrac{-40}{-10}\\\\\boxed{n=4}

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7 0
3 years ago
Helen has an old laser printer that can print 900 pages in 1.5 hours. If the speed of printing remains constant, how
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Answer:

1 hour

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3 years ago
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7 0
4 years ago
Which expression is equivalent to 15x + 9y?<br>les -0)<br>3(5x + 3y)<br>3xy(5 + 3)​
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3 years ago
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