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Mathematics 9 Online
OpenStudy (anonymous):

If x=2 and r= 5, then y= what? If r=25 and y= 15, then x= what? If x=10 and y= 6, then whats r?

OpenStudy (nali):

if u r using an equaiton u should include it in ur question

OpenStudy (radar):

\[y=\sqrt{21}\] x=20 \[r=2\sqrt{34}\] assuming we are dealing with a circle (x^2 + y^2 = r^2)

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