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miss Akunina [59]
3 years ago
5

Find the volume of this sphere. Use 3.14 for pi and round your answer to the nearest 10th.

Mathematics
2 answers:
Scrat [10]3 years ago
8 0

We have been image of a sphere. We are asked to find the volume of our given sphere.

We will use volume of sphere formula to solve our given problem.

V=\frac{4}{3}\pi r^3, where r represents radius of the sphere.

We can see that the radius of our given sphere is 10 cm.

V=\frac{4}{3}\cdot 3.14\cdot (\text{10 cm})^3

V=\frac{4}{3}\cdot 3.14\cdot 1000\text{ cm}^3

V=\frac{4}{3}\cdot 3140\text{ cm}^3

V=4186.6666\text{ cm}^3

Upon rounding to nearest tenth, we will get:

V\approx 4186.7\text{ cm}^3

Therefore, the volume of the given sphere is approximately 4186.7\text{ cm}^3 and last option is the correct choice.

jasenka [17]3 years ago
7 0

Answer:

Approximately 4th answer is correct.

Step-by-step explanation:

V= \frac{4}{3} π {r}^{3}  \\ = \frac{4}{3} ·π· {10}^{3}  \\ ≈4188.7902

hope this helps

brainliest appreciated

good luck! have a nice day!

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Answer:

A. f(x)=x^2+x+0.25

Step-by-step explanation:

If x represents Lindsey's distance at 2:00 PM, then 2x represents Kara's distance at 2:00 PM because she walked twice as far as Lindsey. Then adding on the values we got for 2:30 PM, we get that Kara walked a distance of 2x+1 and Lindsey walked a distance of x+0.5 at the time of 2:30 PM. Now, we know that they have formed a right triangle because we are given the directions they walked in; east and north. This allows us to use a formula for the area of a right triangle: 1/2(L x W). Plugging in our values, we get...

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which simplifies to...

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which is our answer.

4 0
2 years ago
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