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erica [24]
2 years ago
9

On the return trip from the beach, you pedal hard for the first ten minutes and cover 4 miles. Tired, you slow down and cover th

e last 6 miles in 36 minutes. What is your average speed for the return trip?
Mathematics
1 answer:
-Dominant- [34]2 years ago
3 0

Answer:

Step-by-step explanation:

On the return trip from the beach, you pedal hard for the first ten minutes and cover 4 miles.

Speed = distance covered/time taken

This means that your speed for the first 4 miles would be

4/10 = 0.4 miles per minute

Tired, you slow down and cover the last 6 miles in 36 minutes. This means that your speed for the last 6 miles would be

6/36 = 0.17 miles per minute

Therefore, your average speed for the return trip would be

(0.4 + 0.17)/2

= 0.285 miles per minute

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A rectangle has a length of (x + 4) centimeters and a width of 12x centimeters. If the perimeter is 26 centimeters, what is the
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Answer:

The width of rectangle is W=\frac{108}{13}\ cm  or  8\frac{4}{13}\ cm

Step-by-step explanation:

we know that

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we have

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substitute

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<em>Find the width of rectangle</em>

W=12x\ cm

substitute the value of x

W=12(\frac{9}{13})=\frac{108}{13}\ cm

Convert to mixed number

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