tomascialwatson tomascialwatson
  • 16-04-2014
  • Mathematics
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what is x squared plus y squared equals nine 

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Аноним Аноним
  • 20-04-2014
[tex]x^2+y^2=9\\\\it's\ a\ circle\\\\center:(0;\ 0)\\\\radius:r=\sqrt9=3\\\\look\ at\ the\ picture[/tex]
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