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miskamm [114]
4 years ago
9

Can someone help me out

Mathematics
1 answer:
marshall27 [118]4 years ago
5 0
So the formula  for speed is d/t ...so 15 3/4 divided by 3
so then 63/4 divided by 3...so then 63/4 *1/3///so 21/4..which is 5 1/4 mph.(the first one
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2)..... 1/4 x -2/5 x = 39
VikaD [51]

Answer:

x=-260

Step-by-step explanation:

1/4x-2/5x=39

Find a common denominator:

5/20x-8/20x=39

Combine:

-3/20x=39

Multiply both sides by -20/3:

x=39(-20/3)

x=-780/3

x=-260

Hope this helps! Please mark brainliest :)

4 0
4 years ago
5 Points, Time Limit, Brainliest, Please don't spam, Thanks!
Sergeeva-Olga [200]
The awnser is 1/8
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3 years ago
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Answer:

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Step-by-step explanation

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3 years ago
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dlinn [17]

Answer:

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Step-by-step explanation:

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