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Aliun [14]
3 years ago
13

What happens to the area of a circle when the radius is doubled? (1 point) it is doubled?

Mathematics
1 answer:
Alina [70]3 years ago
7 0
I think the circle would grow bigger into an oval.
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Volume? Correct answers please
goldfiish [28.3K]

Answer:

V = 1385.44

Step-by-step explanation:

The equation for volume is V = π r 2 h! Where V = volume, r = radius <em>(half the diameter)</em>, and h = height. Now lets substitute what we know into this equation!

<em>Since we are giving the diameter (14) we must divide by 2 to find the radius.</em>

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V = ?

Time to plug these values in!

V = π 7^{2} (9)

<em>We have to distribute </em><em>pi to 7 square that term </em><em>and then </em><em>multiply the value by 9</em><em>. </em>

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V = 1385.44

Hope this Helps! :)

<em>Have any questions? Ask below in the comments and I will try my best to answer.</em>

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7 0
3 years ago
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Ilia_Sergeevich [38]

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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Is (1, 3) a solution to the system of inequalities below?
Oxana [17]
<h3>Substitute and Check:</h3>

y > 2x + 1 \\ 3 > 2(1) + 1 \\ 3 > 3 \\ false

<h3>We can stop here and conclude that ( 1 , 3 ) is not a solution to this system, since it does not even satisfy the first equation, but check for the other one just in case:</h3>

y <  - 3x \\ 3 <  - 3(1) \\3 <  - 3 \\ also \: false

8 0
2 years ago
What is the solution to the equation x + 7.5 = 21.5? A.x = 2.9 B.x = 7.8 C.x = 14 D.x = 29
dedylja [7]
X+7.5=21.5
Subtract 7.5 from both sides
X=14 which is C
hope this helps good luck have a nice day
8 0
3 years ago
Read 2 more answers
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