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sasho [114]
3 years ago
14

Which angle (in radians) corresponds to 2/3 of a circle?

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
8 0
\dfrac{2}{3}\cdot360^o=2\cdot120^o=240^o-in\ degres\\\\\dfrac{2}{3}\cdot2\pi=\dfrac{4}{3}\pi-in\ radians
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Find the change
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3 years ago
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a caravan crossed 1378 miles of desert in 85 days it traveled 22 miles the first day and 28 the second day if caravan traveled t
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3 years ago
On the way to work Juan carpools with a fellow co-worker then takes the city bus back home in the evening. The average speed of
podryga [215]

Answer:

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We have been given that on the way to work Juan carpools with a fellow co-worker then takes the city bus back home in the evening. The average speed of the 20-mile trip is 5 miles per hour faster in the carpool.

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The total distance is 20 mile. Time taken to travel 20 miles using carpool would be \frac{20}{r}

The speed on the bus is 5 miles greater, so it will be x+5. Time taken to travel 20 miles using bus would be \frac{20}{r+5}

Total time will be equal to sum of both times that is:

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Let us simplify our expression.

\frac{20r}{r(r+5)}+\frac{20(r+5)}{r(r+5)}

\frac{20r}{r(r+5)}+\frac{20r+100}{r(r+5)}

Combine numerator:

\frac{20r+20r+100}{r(r+5)}

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Therefore, our required expression would be \frac{40r+100}{r(r+5)}.

7 0
3 years ago
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