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kotegsom [21]
3 years ago
11

Find the area of a circle that has a 12 inch radius.

Mathematics
2 answers:
solniwko [45]3 years ago
8 0
So,

We know the formula for the area of a circle is:

A=\pi r^2

All we have to do is to substitute the given value and simplify.

A=\pi (12)^2

A=\pi (144)\ or\ 144\pi

In numerical form, it would be 452.389342 or approximately 452.4 in.²
Mama L [17]3 years ago
5 0
The area is 452.39 Hint : If you know the radius of a circle , you can use it to find the area of what that circle . Just plug that value into the formula for the area of a circle and solve . I hope that's help !
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Simplify completely 5x3+10x2+15x/5x
vlabodo [156]

Answer:

x²+2x+3....

Step-by-step explanation:

The given expression is:

5x3+10x2+15x/5x

To simplify this expression take out the common of the numerator:

5x is common in all three terms of the numerator:

Like,

5x(x²+2x+3)/5x

Now the value of the common and the denominator is same. Therefore 5x will be cancel out by 5x

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3 years ago
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choli [55]

Answer:

9/2

Step-by-step explanation:

In order to find the slope of a line that is perpendicular to another line, you must find the opposite and reciprocal of that slope. So, you have 2/9, and then 9/2.

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What is the volume in cubic feet of a cube with an edge length of 3 feet
GalinKa [24]

Answer:

The answer is

<h2>27 cubic feet</h2>

Step-by-step explanation:

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Volume of a cube = l³

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Substitute the value of l into the above formula

We have

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We have the final answer as

<h3>27 cubic feet</h3>

Hope this helps you

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An item is priced at $14.86. If the sales tax is 8%, what does the item cost including sales tax?
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