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Archy [21]
2 years ago
14

How do you determine volume?

Mathematics
1 answer:
bulgar [2K]2 years ago
6 0

Answer:   V = πr 2 h

Step-by-step explanation:

To calculate the volume of a cylinder, you must know its height and the radius of the circular base (the distance from the center of the circle to its edge) at the top and bottom. The formula is V = πr 2 h, where V is the Volume, r is the radius of the circular base, h is the height, and π is the constant pi.

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HELPP! ASAP PLS!! Find the surface area of the composite solid. Leave your answer in exact terms.
Andreyy89

Answer:

Step-by-step explanation:

First find the surface area of the clyinder and find the area circles and subtract

Then find the surface area of a cone, remove the circle area and double it.

Clyinder surface area (without circle area) 2πrh+2πr2=2·π·4·6+2·π·42≈251.32741

251.32741 - 50.2 - 50.2

Cone area: A=πr(r+h2+r2)=π·4·(4+32+42)≈113.09734

113.09734 - 50.2 - 50.2

Total: 12.69734 + 150.92741 = 163.62475

3 0
2 years ago
If square HIJK is dilated by a scale factor of
WITCHER [35]
C. point K is (3,-3) and the dilation moves from 3 to 1 so you divide both X and Y coordinates by 3 to get (1,-1)
hope this helps.

3 0
3 years ago
Read 2 more answers
Rafi had a board that was 15 1/2 feet long. He cut three pieces off the board that are each 3 7/8 feet long. How much of the boa
sattari [20]

Answer:

Step-by-step explanation:

To answer this question, first we need to figure out how much of the board Rafi cut off.

To do this, we need to multiply the length of each piece by the number of pieces he cut off.

3 7/8 = 3.875

3.875 * 3 = 11.625

Now, because we knew Rafi cut off 11.625 feet off of the board, we just need to subtract this length from the length of the entire board to find the remaining length.

15 1/2 = 15.5

15.5 - 11.625 = 3.875

There is 3.875 feet or 3 7/8 of the board left.

7 0
2 years ago
Find the area of the disk
Annette [7]

Answer:

36 units

Step-by-step explanation:

If half of one of the 6 sections is three the the other half is equivalent so I multiplied 6×6 and it gave me 36 (units).

6 0
3 years ago
(10-4)+20 divided by 10?
Luba_88 [7]

Answer:

8

Step-by-step explanation:

(10-4)+20/20

6+20/10

6+2

8

6 0
2 years ago
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