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bearhunter [10]
3 years ago
6

Help again. I’m really bad at this.

Mathematics
1 answer:
siniylev [52]3 years ago
6 0

Given the equation of a circle in the form

(x-x_0)^2+(y-y_0)^2=r^2

You have that (x_0,y_0) is the center, and r is the radius.

So, in your case, the center is (-9,6) and the radius is 5.

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Answer:

<em>The tax is $1.54 and the price after tax is $31.54</em>

Step-by-step explanation:

<u>Percentages</u>

The procedure to add a percentage ratio p to a given quantity q is:

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* Add the increase to the original quantity to get the final quantity f=q + i

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2 years ago
The sum of the lengths of two opposite sides of the circumscribed quadrilateral is 12 cm, the length of a radius of the circle i
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Answer:

60cm^2

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where s is the semi-perimeter, the sum of opposite sides, and r is the radius of the incircle.

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_____

A quadrilateral can only be tangential if pairs of opposite sides add to the same length. Hence the given sum is the semiperimeter.

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