2 years ago

An exam is made of two papers that score differently.

Mathematics

1 answer:

Alborosie2 years ago

4 0

Answer:

Step-by-step explanation:

61%

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Use the information provided to write the equation of each circle

Nadusha1986 [10]

Answer:

centre(h,k)=(-13,9)

radius (r)=6

we have

equation of the circle is

(x-h)²+(y-k)²=r²

(x+13)²+(y-9)²=6²

x²+26x+169+y²-18y+81=36

x²+y²+26x-18y+169+81-36=0

x²+y²+26x-18y +214=0

is a required equation of the circle.

centre(h,k)=(1,-1)

radius (r)=11

we have

equation of the circle is

(x-h)²+(y-k)²=r²

(x-1)²+(y+1)²=11²

x²-2x+1+y²+2y+1=121

x²+y²-2x+2y=121-2

x²+y²-2x+2y=119

is a required equation of the circle.

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Answer:

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RANGE: {4,4.5,5,5.5,6,6.5,7}

Step-by-step explanation:

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