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Feliz [49]
2 years ago
15

How to find the volume of a quarter-sphere?

Mathematics
1 answer:
Ganezh [65]2 years ago
7 0

As the word suggests, a quarter-sphere is a quarter of a sphere, and thus the volume of a quarter-sphere is a quarter of the volume of the sphere.

The volume of a sphere is computed as

\dfrac{4}{3} \pi r^3

So, the volume of a quarter-sphere is

\dfrac{1}{4}\cdot \dfrac{4}{3} \pi r^3 = \dfrac{1}{3} \pi r^3

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What is the answer to the equation? Explain how you would solve this problem. 2x - 8 = 50
wariber [46]
The answer is 29. The answer is 29 because you add the 8 to 50. You get 58. Then divide 58 by 2 and you get 29.
5 0
3 years ago
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State two numbers such tagt the lesser number is 25% less than the greater number
S_A_V [24]
3 is the lesser and 4 is the higher, because taking away 1 from four is 25%.
7 0
3 years ago
PLSSSS HELLPPPPP!!!
eimsori [14]

Answer: B, D, and F

Step-by-step explanation:

Hi, so for this question, the phone bill is in an equation. Before doing this problem, make sure to understand what the 2 and 56 mean. The problem says that c is the monthly charge, and m is the number of minutes. This means that 2 is the number of dollars required to pay when you use the phone for one minute. So 2 dollars per minute. The 56 is basically the fee that is just charged for using the phone bill. Meaning that even if you don't use the phone at all, you will still need to pay 56 dollars.

By understanding those info, it should be easier to answer.

For A, it is not correct. if you look, although 2*4 is 8 dollars, but you need to add 56 for the monthly bill. (I think when they say 'your bill' they mean the monthly bill).

For B, it is correct. Like I said before, the 56 dollars is there no matter how long you use the phone.

For C, it is not correct. This isn't hard to understand since if B is correct, C is probably not, and vise versa. And the 56 dollars is missing.

For D, it is correct. As I said before, the 2 represents the amount of dollars for one minute.

For E, it is not correct. (Contradicts the previous answer and each minute costs 2 dollars).

For F, it is correct. When you use 2 minutes, the equation is 2*2+56 which is 60 dollars.

Hopefully this helps!

3 0
2 years ago
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I need help or my math teacher will call my parents up about it and I will die
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Answer:

Sure, I'll help you with math? What type of math is it?

Step-by-step explanation:

4 0
2 years ago
Complete each ordered pair so that it is a solution of the given linear equation. x - 3y=4;(.-3), (-11, ) The first ordered pair
AURORKA [14]

Answer:

Step-by-step explanation:

x - 3y = 4

x - 3(-3) = 4

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x = -5

(-5, -3)

-11 - 3y = 4

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        y = -5

(-11, -5)

I don't see how (0, -3) could be a solution to the equation.

3 0
2 years ago
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