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Lady bird [3.3K]
3 years ago
9

NEED HELP!!!!!!!!!!!!!!!!!!!! anybody know???????????????????????????

Mathematics
1 answer:
aleksandrvk [35]3 years ago
7 0

Answer:

530.66.

Step-by-step explanation:

The area formula for a circle is \pi r^{2} .

We will use 3.14 for pi.

This is simple- we put the numbers in the formula.

3.14 * 13^{2} = 530.66.

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What is the image point of (-5,0) after a translation left 2 units and down 1 unit? Submit Answer attempt 1 out of 2
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If you want to translate a point (x,y) to the left, you have to subtract the number of units (n) that you want to translate it from the original x coordinate, like this:

(x-u,y)

And if you want to translate a point (x,y) downwards, just subtract the number of units n you want to translate from the y coordinate, like this:

(x,y-n)

in this case, we have the point (-5,0) which image would be:

After a translation of 2 to the left

and with 1 unit down, this point would look like this:

(-5-2,0-1)=(-7,-1)

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Step-by-step explanation:

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In the following figure, the square ABCD is inscribed in the circle centered at point P. What is the area of the circle?
Ainat [17]

Answer:

A_{Circle} \approx 39.24\: units^2

Step-by-step explanation:

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BD will be diagonal of the square as well as diameter of the circle.

BD = BC\times\sqrt 2

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-> Diameter of the circle (d) = 5\sqrt 2

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A_{Circle} =\pi(r)^2

\implies A_{Circle} =3.14(3.535)^2

\implies A_{Circle} =3.14(3.535)^2

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Maggie is displaying paperback and hardback books on her book shelf. The ratio of hardback books to total books is 5 to 13. Whic
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Answer:

Total Paperback books = 8x , where x is any positive number

Step-by-step explanation:

Let

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As given,

The ratio of hardback books to total books is 5 to 13.

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⇒Hardback books = \frac{5}{13}× 13x = 5x

So, Paperback books = Total books - Hardback books

                                    = 13x - 5x

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⇒Total Paperback books = 8x

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