If $$x$$ and $$y$$ are positive, is $$\sqrt{x+y}>10?$$

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If $$x$$ and $$y$$ are positive, is $$\sqrt{x+y}>10?$$

by M7MBA » Sun Aug 15, 2021 3:15 pm

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If $$x$$ and $$y$$ are positive, is $$\sqrt{x+y}>10?$$

(1) $$\dfrac{\sqrt{x}}2+\dfrac{\sqrt{y}}2>5$$

(2) $$\sqrt{4x}>20$$