3 years ago

Which expression is equivalent to the one below?

Mathematics

1 answer:

Yanka [14]3 years ago

3 0

Answer:

The answer is -5 + 1/8

Step-by-step explanation:

If you use the distributive property, which is mandatory with parenthesis you first multiply -1/2 by 10 which is -5. The next step is to multiply -1/2 by 1/4 which is -0.125 or -1/8, which the closest answer to it is -5 + 1/8. Hope this helps :)

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If three times a number minus 2 equals 13, what is the number?

Nana76 [90]

Change the messy words into numerals
3 times a number minus 2    equals    13
3 × n - 2 = 13

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take 2 to the other side
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Divide by 3 on either sides to isolate n
$\frac{3n}{3}$ = $\frac{15}{3}$
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check:
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