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cluponka [151]
2 years ago
15

I will give brainiest to whoever answers correctly !!

Mathematics
1 answer:
vichka [17]2 years ago
6 0

Answer:it’s b

Step-by-step explanation:

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Which expression is equivalent to 6^-3?
sveticcg [70]

Answer:

\boxed{ {6}^{( - 3)}  =  \frac{1}{ {6}^{3} }  =  \frac{1}{216}  }\\

<u>(1/216)</u> is the right answer.

7 0
3 years ago
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What happens to the volume of a sphere when its diameter is doubled?
pochemuha
To determine the effect of changing the diameter of a sphere to its volume, we would need to know the formula for the volume of a sphere which is V = 4πr³/3 where r is half of the diameter. As you can see, there is a direct relationship.

r1 = d1/2
r2 = d2/2 = 2d1/2 = d1

V2/V1 = (4πd1³/3) / (4π(d1/2)³/3)
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Therefore, the volume of the sphere would be 8 times the original volume.
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3 years ago
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What is -2 22/25 as a decimal?
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Answer:

-2 22/25 = -72/25

= -2.88

8 0
3 years ago
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Plz help brainiest to whoever right
nadya68 [22]

Answer:

They add up to equal 90 degrees.

6 0
2 years ago
HOW DO I FIND THE PERIMETER OF A SEMICIRCLE WITH A RADIUS OF 9MM ?
dybincka [34]
Perimeter = 2 × π × r

Perimeter = 2 × 3.14 × 9

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Perimeter = 56.52 ÷ 2

Perimeter = 28.26

The perimeter of a semicircle with a radius of 9mm is 28.26
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3 years ago
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