anonymous 4 years ago Find the value of 10 times the square root of 2 over the square root of 5.. a.2 b.2 times the square root of 5. c.2 the square root of 10. d.2 over 5 times the square root of 10.

1. Mertsj

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2. ash2326

we have $10*\frac{\sqrt 2}{\sqrt 5}$ let's take the 10 inside $\sqrt{\frac{10*10*2}{5}}$ $\sqrt{\frac{200}{5}}$ now 200/5=40 so we have $\sqrt{40}$ $\sqrt{5*2*2*2}$ let's take 2*2 outside so we have $2\sqrt{10}$ option B

3. anonymous

are you sure its not C ?

4. ash2326

soory it's c