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Arlecino [84]
3 years ago
12

Please help me this is for a grade

Mathematics
1 answer:
IgorC [24]3 years ago
4 0

Answer:

b

Step-by-step explanation:

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Step-by-step explanation:

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Need help ASAP!!!!! I WILL GIVE THE MOST BRAINLIEST TO THE FIRST PERSON THAT ANSWERS
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

3 0
3 years ago
NEEEED help with 2 and 4?!
muminat

Answer:

ex 2

is d 66 and ex 4 don't know

8 0
2 years ago
PLEASE I NEED THESE 4 ANSWERED ASAP :))
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Answer:

3. x = 53

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Step-by-step explanation:

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