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kap26 [50]
3 years ago
6

Please help with the problem above

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
6 0

Answer:

The answer would be -9x^2+x-8

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Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the st
yaroslaw [1]
<h2>Length of track is 168 meter</h2>

Step-by-step explanation:

Let l be the length of track.

Running speed = 4 m/s

Jogging speed = 2 m/s

Total time taken = 2 minutes 6 seconds. = 126 seconds

That is

            \frac{l}{4}+\frac{l}{2}=126\\\\0.75l=126\\\\l=168m

Length of track is 168 meter

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3 years ago
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Answer and Step-by-step explanation:

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