2 years ago

PLEASE HELP! Find x - y less than 0. A. - y - x B. x - y C. - x + y

Mathematics

1 answer:

notka56 [123]2 years ago

4 0

The answer is c) - x + y

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Answer:

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Step-by-step explanation:

Firstly, we need to find the unit rate (the number of miles in 1 minutes).

To get this, we need to divide total miles ran (7 miles) by the total minutes taken (80 minutes). Thus, we will have MILES PER MINUTE.

7 miles ÷ 80 minutes = 7/80 miles per minute

Now,

We want number of miles in 64 minutes. Since we know "PER MINUTE", we simply multiply that with 64 to get number of miles in that amount of time.

THus,

$\frac{7}{80}*64=\frac{56}{10}=5.6$

So, in 64 minutes, Maria can run 5.6 miles

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If you subtract 9-7 you get the answer 2 which makes y=2.

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