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OpenStudy (anonymous):
If x=3 and y=4 then what is the value of r?
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OpenStudy (lgbasallote):
do you have an equation?
OpenStudy (lgbasallote):
unless you mean \[r = \sqrt{x^2 + y^2}\]
OpenStudy (unklerhaukus):
\[r^2=x^2+y^2=3^2+4^2\]
OpenStudy (anonymous):
my answer choices are 25 SR7 3SR3 5 SR5
OpenStudy (unklerhaukus):
one of them is right
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