31-08-2017
Mathematics

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Help me solve this problem please

Help me solve this problem please class=

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Julia2002 Julia2002

31-08-2017

I think you count the squares in the middle or radius ?

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SilverWish SilverWish

31-08-2017

Center-radius equation of a circle with a center at (5,3) and radius 5 is:
(x−5)^2+(y−3)^2=25

Standard equation of a circle with a center at (5,3) and radius 5 is:
x^2-10x+y^2−6y+9=0

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solve by factoring. p⁴=-25p²

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