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SVEN [57.7K]
3 years ago
15

The diameter of a sphere is 4 centimeters. Which represents the volume of the sphere?

Mathematics
2 answers:
Assoli18 [71]3 years ago
8 0

Answer:16pie

Step-by-step explanation:

MatroZZZ [7]3 years ago
5 0
Radius=4/2=2 cm
Volume=4/3 x pi x 2^3
=4/3 x pi x 8
= 32/3 pi cm^3
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In ancient egypt, a scribe equated the area of a circle with a diameter of 9 units to the area of a square with a side length of
Rudik [331]

Answer:

\pi =3.160494

Step-by-step explanation:

step 1

Find the area of the circle with a diameter of 9 units

we know that

The area of a circle is equal to

A=\pi r^{2}

we have

r=9/2=4.5\ units ----> the radius is half the diameter

substitute

A=\pi (4.5)^{2}

A=20.25\pi\ units^2

step 2

Find the area of a square with a side length of 8 units

we know that

The area of the square is

A=b^2

where

b is the length side of the square

we have

b=8\ units

substitute

A=(8)^2=64\ units^2

step 3

Equate the areas

20.25\pi=64

solve for \pi

\pi =\frac{64}{20.25}=3.160494

5 0
3 years ago
Which expression has an estimated product of 45?
miss Akunina [59]
My answer would be C
5 0
3 years ago
Read 2 more answers
What is the next term of the following geometric sequence:
LenKa [72]

Answer:

D

Step-by-step explanation:

Each term has been multiplied by 2/5.

-1/2 * 2/5 = -2/10=-1/5

-1/5 * 2/5 = -2/25

-2/25 * 2/5 = -4/125

-4/125 * 2/5 = -8/625

4 0
3 years ago
A car rental company charges a $50 flat fee and an additional $20 per day. A second company also
aivan3 [116]

The difference between the flat fees of the two companies is $20

8 0
3 years ago
Lara bought 3 yards of fabric and a spool of thread for $28.10. If the spool of thread cost $1.25, how much did the fabric cost
Lyrx [107]

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Step-by-step explanation:

Define the following:

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Make an equation:

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⇒ x = 8.95

∴ $8.95 per yard of fabric

7 0
2 years ago
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