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noname [10]
3 years ago
9

A sports ball has a diameter of 20 cm. Find the volume of the ball and select the correct units. Round your answer to 2 decimal

places.
Mathematics
1 answer:
svet-max [94.6K]3 years ago
7 0

Answer:

V=4,186.67\ cm^3

Step-by-step explanation:

we know that

The volume of the ball is equal to the volume of a sphere

The volume of a sphere is equal to

V=\frac{4}{3}\pi r^{3}

we have

r=20/2=10\ cm ----> the radius is half the diameter

assume

\pi=3.14

substitute the values in the formula

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

V=4,186.67\ cm^3

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Take a look at the image below.

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3 years ago
Someone plz help I already know the answer put how can I put the diagram can you guys help me can u put the picture how u did it
Oliga [24]

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8 0
2 years ago
Abel and Cedric will share a total of $180. Abel will receive half as much as Cedric. What amount. in dollars, will Cedric recei
babymother [125]

Answer:

Abel receives $60, and Cedric receives $120

Step-by-step explanation:

Let Abel's share = A

Let Cedric's share = C

we are given the following

A + C = 180  - - - - - (1)   (Abel and Cedric will share a total of $180)

A = \frac{C}{2}\ - - - - - - - (2) (Abel will receive half as much as Cedric. )

from equation 2:

A = \frac{C}{2}\\ C = 2A\ - - - - - - (3)

putting this value of C in eqn (3) into eqn (1)

A + (2A) = 180

3A = 180

∴ A = 180 ÷ 3 = 60

to find C, let us replace the value of A in eqn (3) with 60

C = 2A - - - - (3)

C = 2 × 60

C = 120

Therefore, Abel receives $60, and Cedric receives $120

5 0
3 years ago
Suppose temperature outside is dropping 3° each hour how much will the temperature change in eight hours?
Burka [1]

Answer:

24

Step-by-step explanation:

8 0
2 years ago
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How do u solve 5x + 9 = x - 23 ? *EXTRA POINTS
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Answer:

5x+9=x-23

5x-x=-23-9

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4x/4=-32/4

x=-8

7 0
2 years ago
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