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Varvara68 [4.7K]
3 years ago
8

Help help math math math

Mathematics
1 answer:
Gnom [1K]3 years ago
3 0

Answer:

2048in^3

Step-by-step explanation:

Epic, this time we have the radius. Now we will do the volume equation, using 3 for pi.

4/3 * 3 * 8^3

4 * 8^3

4 * 512 = 2048

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A small planes flies 600 miles against the wind.in 3 hours. The return trip with the wind takes 2
suter [353]

Answer:

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Step-by-step explanation:

Let x be the speed of the plane.

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\frac{600mi}{3hr}=x-y\\\\\frac{600mi}{2hr}=x+y\\\\\\200mph=x-y\ \ \  \ \ \ ...i\\\\300mph=x+y\ \ \ \  \ \ \ ...ii\\\\\therefore\ x=200\ mph+y\\\\\#Substitute \ in \ ii\\\\300\ mph=200\ mph+y+y\\\\y=50\ mph\\\\\\x=200\ mph+50\ mph

Hence, the speed of wind is 50 mph and the speed of the plane is 250 mph.

5 0
3 years ago
A city has a population of 220,000 people. Suppose that each year the population grows by 7.25%. What will the population be aft
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427,350

Step-by-step explanation:

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