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Mathematics 15 Online
OpenStudy (anonymous):

Find the value of

OpenStudy (anonymous):

\[10\sqrt{2} \over \sqrt{5}\]

OpenStudy (anonymous):

isnt this just 20 over 5

OpenStudy (anonymous):

2 2 times the square root of 5. 2 the square root of 10. 2 over 5 times the square root of 10.

OpenStudy (anonymous):

nvm there the a b c d

OpenStudy (anonymous):

You should stop thinking out loud because now you are confusing me. What is your final thought?

OpenStudy (anonymous):

2√10 I believe is the answer. But Diya is probably better than me, so let's see what she says

OpenStudy (anonymous):

hahah ok so its 10^2 ----- ^5 and here are mutibale choose

OpenStudy (anonymous):

yes that is it

OpenStudy (anonymous):

uh oh diyanddiya is here ;)

OpenStudy (diyadiya):

10 can be written as \[10= 2 \times 5= \sqrt{2} \times \sqrt{2} \times 5\]

OpenStudy (anonymous):

thanks diyadiya

OpenStudy (diyadiya):

ooops sorry

OpenStudy (diyadiya):

\[10 = 2 \times \sqrt{5} \times \sqrt{5}\]\[\frac{10\sqrt{2}}{\sqrt{5}}= \frac{2 \times \sqrt{5} \times \sqrt{5} \times \sqrt{2}}{\sqrt{5}} \]

OpenStudy (diyadiya):

now cancel out the sqrt{5}

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