BlissCipher BlissCipher

19-11-2019
Mathematics

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Your friend runs for (x² – 225) seconds at a rate of
[tex] \frac{1}{2x - 30} [/tex]
per second. How far does your friend run?

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MathPhys MathPhys

19-11-2019

Answer:

(x + 15) / 2

Step-by-step explanation:

Distance = rate × time

d = (x² – 225) / (2x − 30)

d = (x – 15) (x + 15) / (2 (x – 15))

d = (x + 15) / 2

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