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Mathematics 8 Online
OpenStudy (anonymous):

Simplify the expression, please help!!!

OpenStudy (nory):

What expression?

OpenStudy (anonymous):

\[\sqrt{3/4}\ \sqrt{5/2}\]

OpenStudy (anonymous):

times

OpenStudy (nory):

Remember that if you have two radicals multiplied together, you can just combine them into one. So \[\sqrt{x} \times \sqrt {y} = \sqrt{x \times y}\]

OpenStudy (nory):

Now what can you do to the expression?

OpenStudy (anonymous):

\[\sqrt{3/4\times5/2}\]

OpenStudy (nory):

Good! Now you know how to multiply fractions. Go ahead and see what you get.

OpenStudy (anonymous):

1/7/8

OpenStudy (nory):

What's with the double division signs?

OpenStudy (anonymous):

\[1\frac{ 7 }{ 8 }\]

OpenStudy (anonymous):

i got you man. its either:\[\frac{ \sqrt{\frac{ 15 }{ 2 }} }{ 2 }\] or \[1.36931\]

OpenStudy (nory):

Don't forget the radical signs--they haven't disappeared!

OpenStudy (nory):

@hogie

OpenStudy (anonymous):

sqrt(3a^2/10b^6)

OpenStudy (anonymous):

This sucks!

OpenStudy (nory):

Where did the variables come from? Are you still on the same question?

OpenStudy (anonymous):

the variable is in the question

OpenStudy (nory):

What question? A new question? I thought the question was to simplify \[\sqrt{3/4}\times \sqrt{5/2}\] .

OpenStudy (anonymous):

The new question is sqrt(3a^2/10b^6) haha my bad!

OpenStudy (nory):

Okay.

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