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Elena-2011 [213]
3 years ago
7

6. Solve P = C + rC for r.

Mathematics
2 answers:
slavikrds [6]3 years ago
4 0

Answer:

r=c2pi ok

Step-by-step explanation:

that the answer

kiruha [24]3 years ago
4 0

Answer:

p = c + rc \\ p - c = rc \\  \frac{p - c}{c}  = r \: or \: r =  \frac{p - c}{c}

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lys-0071 [83]

Answer:

x^2 + 10x + y^2 -4y + -7 = 0

Step-by-step explanation:

For any circle point with coordinate of center (a,b) and radius r

equation of circle is given by

(x-a)^2 + (y-b)^2 = r^2

_______________________________________

Given

coordinate of center =  (-5,2)

radius = 6

thus, equation of circle can be written by substituting a and b with (-5 ,2) and r =6 as shown below

(x-a)^2 + (y-b)^2 = r^2\\(x-(-5))^2 + (y-2)^2 = 6^2\\x^2 + 10x + 25 + y^2 -4y + 4 = 36\\=>x^2 + 10x + y^2 -4y + 29 = 36\\=>x^2 + 10x + y^2 -4y + 29 -36 = 36 -36\\=>x^2 + 10x + y^2 -4y + -7 = 0

Thus, equation of circle is x^2 + 10x + y^2 -4y + -7 = 0

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3 years ago
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alexgriva [62]

Answer:

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Step-by-step explanation:

5 0
2 years ago
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Answer:

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Step-by-step explanation:

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UNO [17]

Answer:the other leg is 6

Step-by-step explanation:

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Step-by-step explanation:

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