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oee [108]
3 years ago
7

The height of

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
4 0

Hey there! I'm happy to help!

This glass is most likely a cylinder. To find the volume of a cylinder you take the area of the circle base and multiply it by the height.

To find the area of a circle, you square the radius and multiply it by pi (we will use 3.14 for pi).

Our radius is 3cm.

3

We square it.

3²=9

Multiply by 3.14.

9×3.14=28.26

Now that we have our circle base area, we multiply it by the height (7 cm).

28.26×7= 197.82

This is how many cubic centimeters the glass can hold if it is completely full. However, we want half full, so we can just divide by 2.

197.82/2=98.91

We can also multiply our circle base by 3.5, which will give us half of the full height.

So, the height of the water is 3.5 cm and the volume of the water is 98.1 cm³.

Have a wonderful day and keep on learning! :D

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MAVERICK [17]

Answer:

28/32 and 26/32

Step-by-step explanation:

A common denominator of 8 and 16 is 32.

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3 years ago
The graph shows two lines, A and B.
Harlamova29_29 [7]

Answer with explanation:

<u>Part A: </u>

One solution.

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<u>Part B:</u>

(3, 4)

The point(s) of intersection marks the solution(s) to the lines. Since lines A and B intersect at the point (3, 4), the solution to the equation of their lines is (3, 4), or x=3, y=4, as coordinates are written as (x, y).

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3 years ago
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Answer:

They need 2 and 1/2 rolls.

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A = 20 x 3

A = 60 ft²

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What about 150 ft² = ?

= (150 x 1) ÷ 60

= 150 ÷ 60

= 2.5

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