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Oksanka [162]
3 years ago
15

A circle has a radius of 12 and a center at (-7,4) Find the equation of the circle

Mathematics
2 answers:
Eddi Din [679]3 years ago
4 0
<span>The equation for the circle is

</span><span>(x+7)^2+(y-4)^2=12^2 </span>
Paha777 [63]3 years ago
3 0
The equation of the circle is
(x-a)^{2} + (y-b)^{2} = r^{2}
(x--7)^{2} +( y-4)^{2} = 12^{2}
(x+7)^{2} + (y-4)^{2} = 12^{2}
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andrezito [222]

The population of California = 2.52 \times 10^7 people.

Land area of California = 4.05 \times 10^5km^2.

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= 1.6 \times 10^{-2}

Therefore, the average number of people per square kilometer is  1.6 \times 10^{-2}.

It is represented in scientific notation as Scientific notation is a way of writing very large or very small numbers. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10.

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vampirchik [111]
Angle e is 90 degrees
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3 years ago
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3 0
3 years ago
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PLSSS ANSWER 50 points
erma4kov [3.2K]

Answer:

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8 0
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slavikrds [6]

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3 0
3 years ago
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