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PilotLPTM [1.2K]
3 years ago
8

4. Find the exact volume of the cylinder. Use alt+227 or pi for pi as needed. . 1 16 21

Mathematics
1 answer:
lisov135 [29]3 years ago
8 0

Answer:

Step-by-step explanation:

\text{The volume of a cylinder is}\\ \\ V=h\pi r^2,\ r=16/2=8,/ h=21\\ \\ V=21\pi (8^2)\\ \\ V=1344\pi

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Look at the picture.

The equation:

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10x = 6x + 24      <em>subtract 6x from both sides</em>

4x = 24    <em>divide both sides by 4</em>

<h3>x = 6</h3>

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3 years ago
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A water tanker can fill
VikaD [51]

Answer:

56 mins

Step-by-step explanation:

Number of gallons of water in the pool per minute;

750 divided by 35 = 150/7

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3 years ago
The length of a Train A is 480 m and it takes 2 minutes to cross a tunnel of length 1,320 m. The length of a Train B, which is s
nasty-shy [4]

Answer: 52.94

Step-by-step explanation:

Length of train A = 480m

Tunnel length = 1320m

Time taken to cross tunnel = 2 mins = 120sec

Length of train B = 420m

Train B is slower than train A

Difference between their speed = 18km/hr

18km/hr = (18×1000)/3600 = 5m/s

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Speed = distance / time

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Relative speed of the two trains is therefore;

(Speed of A + speed of B)

Note : they are moving in opposite direction

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Therefore time taken to cross each other :

(Sum of the length of both trains / relative speed of the trains)

Time taken = (480m + 420m) / (17m/s)

Time taken = 900m / 17m/s

Time taken = 52.94s

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3 years ago
Evaluate the function f(x) = x 2 + 1 for f(2
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3 years ago
HELP I NEED THE ORDER
Licemer1 [7]

Answer:

892.3 X 6 = 5353.8

89.23 X 6 = 535.38

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3 0
2 years ago
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