3 years ago

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

Mathematics

1 answer:

aev [14]3 years ago

8 0

Answer:

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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1/2 divided by N equals 1/3<br> what is N?

Veronika [31]

You said that (1/2) / N = 1/3

Multiply each side by 'N' : (1/2) = 1/3 N

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3 years ago

Read 2 more answers

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sergey [27]

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4 years ago

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djverab [1.8K]

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