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andriy [413]
3 years ago
5

Please help will mark brainliest (random answers will be reported)

Mathematics
2 answers:
professor190 [17]3 years ago
8 0

Answer:

167 cm

Step-by-step explanation:

v=pi×4^2×10/3

v=pi×16×10/3

v=50.26×10/3

v=167.55

maxonik [38]3 years ago
3 0
I believe its B
i hope this helps :)
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A plane traveled from California and back. It took one hour longer on the way out than it did on the way back. The plane's avera
padilas [110]

Answer:

Option D is the correct answer.

Step-by-step explanation:

Let x be the one way distance and t be the time out.

Time taken for back = t-1

We have plane's average speed out was 300 mph and average speed on the way back was 350 mph.

That is

           \frac{x}{300}=t\texttt{ and }\frac{x}{350}=t-1

Dividing both equations

             \frac{\frac{x}{300}}{\frac{x}{350}}=\frac{t}{t-1}\\\\350t-350=300t\\\\t=7\texttt{ hours}

Time taken for back = t-1 = 7-1 = 6 hours.

Total time taken = 7 + 6 = 13 hours

Option D is the correct answer.

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