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Drupady [299]
3 years ago
10

Find the area of a circle with a radius of 0.4 inches

Mathematics
1 answer:
AleksandrR [38]3 years ago
3 0

Answer:

0.16 π

Step-by-step explanation:

Using the area formula pi*r^2 we can find the area of the circle, plugging in the numbers gets us pi*(0.4)^2 = 0.16 π

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Find th volume of a cylinder if it has a diameter of 8 and a height of 12.leave your answer in tern of pi
forsale [732]

Answer:

\large\boxed{V=192\pi}

Step-by-step explanation:

The formula of a volume of a cylinder:

V=\pi r^2H

<em>r</em><em> - radius</em>

<em>H</em><em> - height</em>

<em />

We have a diameter <em>d = 8 → d = 2r → 2r = 8 → r = 4</em>

and <em>H = 12.</em>

<em></em>

Substitute:

V=\pi(4^2)(12)=\pi(16)(12)=192\pi

6 0
4 years ago
How many times greater than 0.1 is 10
Nadusha1986 [10]
10/0.1=100
so 10 is 100 times greater than 0.1
Hope this Helps :)
5 0
4 years ago
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blsea [12.9K]

Answer:

Step-by-step explanation:

We have:

2.4, 11, 4, 2, 1, 5.

The order is:

1, 2, 2.4, 4, 5, 11.

8 0
3 years ago
The ratio of boys to girls in a class is 3:1. There are 36 students in the class. How many more boys than girls are there?
Ainat [17]

well, if you add the numbers 3+1 you get 4. from this we know that there are 4 units total. 36÷4=9 so each unit is equal to 9. we can multiply 9•3 to get 27. there are 27 boys. we can multiply 9•1 to get 9 girls. subtracting 9 from 27, we get 18 more boys that girls.

4 0
3 years ago
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When point B (5, -1) is rotated 180º about the origin, its coordinate becomes (-5, 1).
Shtirlitz [24]

When a point (x,y) rotated 180⁰ about origin, the new point will be (-x, -y).

So,

if we have (5, -1), it should become (-5, 1).

So,

answer is true.

7 0
3 years ago
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