3 years ago

"Calculate the volume of the cylinder if the diameter is 42 cm and height of cylinder is 8 cm"

1 answer:

6 0

To find the answer of this problem you need the formula for a cylinder.

V= pi* r^2 * h just plug in your numbers and you have the answer.

You also need to remember that diameter is just twice the radius.

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Can someone help me pls i put rhe question as a picture i would help alot

GuDViN [60]

The answer would be D

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2 years ago

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Divide 82 in the ratio 1:3 will give brainliest to whoever answers first

Hatshy [7]

Answer:

20.5 : 61.5

Step-by-step explanation:

1:3

1 + 3 = 4

82 ÷ 4 = 20.5

ratio of 1:3

1 × 20.5 = 20.5

3 × 20.5 = 61.5

20.5 : 61.5

6 0

2 years ago

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Perform the indicated operation. 1/3÷3/8 A) 1/8 B)8/9 C)1 1/8

Alenkinab [10]

1/3÷3/8

Multiply by reciprocal

1/ 3÷ 8/3

Now multiply across

1×8/3×3

Solve

8/9

Your answer is b .

4 0

2 years ago

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Anit [1.1K]

You have 28 meters of fence to make 3 sides.
28/3 = 9.3333

The pen will be 9.3333 by 9.3333 meters

6 0

3 years ago

You are running a fuel economy study. One of the cars you find is blue. It can travel 28 2/5 miles on 1 1/4 gallons of gasoline.

Harrizon [31]

Answer:

Blue car: 30.5 / 1.25 =24.4 miles per gallon

Red car: 25.6/0.80 =32 miles per gallon

You can easily see that the Red car travel farther on 1 gallon of gasoline.

5 0

3 years ago