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jekas [21]
3 years ago
12

what is the approximate volume of a cylinder with a radius of 8cm and height of 5cm? ____cm^3. A) 62.8, B) 251.2, C) 25.1, D)502

.4, E)1004.8​

Mathematics
2 answers:
Natali5045456 [20]3 years ago
8 0

Answer:

E)  1004.8 cm^{3}

Step-by-step explanation:

Volume of a cylinder, V = πr^{2}h

Radius, r = 8 cm

Height, h = 5 cm

π = 3.14

Substitute the values of r and h

V = 3.14 * 8^2 * 5

V = 3.14 * 64 * 5

V = 1004.8 cm^{3}

ivanzaharov [21]3 years ago
3 0

Answer:

V≈1005.31 so E

Step-by-step explanation:

V=πr2h

π·82·5≈1005.30965

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Select all the equations that are true. 24 x − 8 = 8 ( 3 x − 1 ) 24 x − 8 = 8 ( 3 x − 1 ) 6 m − 15 = 3 ( 2 m − 5 ) 6 m − 15 = 3
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Answer:

24x - 8 = 8 ( 3 x - 1 )

6 m - 15 = 3 ( 2 m - 5 )

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Step-by-step explanation:

Required

Select which of the equation is true

24x - 8 = 8 ( 3 x - 1 )

Open the bracket on the right hand side

24x - 8 = 8 * 3 x - 8 *1

24x - 8 = 24x - 8

Both sides of the equation are equal.

Hence, this equation is true

6 m - 15 = 3 ( 2 m - 5 )

Open the bracket on the right hand side

6m - 15 = 3 * 2m - 3 * 5

6m - 15 = 6m - 15

Both sides of the equation are equal.

Hence, this equation is true

-7 x - 1 = - 1 ( 7 x + 1 )

Open the bracket on the right hand side

-7x - 1 = -1 * 7x -1 * 1

-7x - 1 = -7x -1

Both sides of the equation are equal.

Hence, this equation is true

16 a + 24 b = 8 ( 8 a + 16 b )

Open the bracket on the right hand side

16a + 24b = 8 * 8a + 8 * 16b

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Both sides of the equation are not equal.

Hence, this equation is false

-8 x -12 y - 16 = - 4 ( 2 x + 3 y + 4 )

Open the bracket on the right hand side

-8 x -12 y - 16 = - 4* 2 x -4 * 3 y -4 * 4

-8 x -12 y - 16 = -8x -12y -16

Both sides of the equation are equal.

Hence, this equation is true

8 0
3 years ago
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