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Mathematics 18 Online
OpenStudy (lexi724):

Quick help=Medal :D

OpenStudy (lexi724):

OpenStudy (lexi724):

@lall @rational @iGreen

OpenStudy (anonymous):

eqn. of circle \[(x-h)^{2}-(y-h)^{2}=r ^{2}\]

OpenStudy (anonymous):

are you able to see the eqn. here it says math processing error

OpenStudy (lexi724):

yes

OpenStudy (anonymous):

centre is(h,k)=(0,-5) rad=sq. root( 50)=5root2

OpenStudy (anonymous):

A

OpenStudy (lexi724):

25-???? =7.07

OpenStudy (anonymous):

17.93

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