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shusha [124]
2 years ago
10

Ian wants to paint a wall measuring 3 metres by 7 metres.

Mathematics
1 answer:
anygoal [31]2 years ago
4 0

Answer: 5.2

Step-by-step explanation:

3*7 = 21

21/5 = 4.2

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4 0
3 years ago
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A cylinder and a cone have the same diameter: 8 inches. The height of the cylinder is 5 inches. The height of the cone is 15 inc
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The volume of the cylinder and the cone is equal

<h3>Volume of a cylinder and a cone</h3>

The formula for calculating the volume of a cylinder is expressed as:

V = πr²h

where

r is the radius

h is the height

For the cylinder

r = 8/2 = 4 in

h = 5

Substitute

V = π(4)²*5
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For the cone

r = 4 in

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Substitute

V = 1/3πr^2h

V = 1/3(π)(4)^2 * 15

V = 80π cubic inches

Hence the volume of the cylinder and the cone is equal

Learn more on volume of cylinder and cone here: brainly.com/question/971817

#SPJ1

3 0
2 years ago
Can someone help me with these?? I am really confused
liraira [26]
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3 years ago
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Step-by-step explanation:

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If your grade is 68.27 and you get a 15 out of 15 on your test whats your grade now
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