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OpenStudy (anonymous):
example?
OpenStudy (anonymous):
\[D= SQRT* 3(1450) OVER 2\]
OpenStudy (anonymous):
It's a word problem. it is a principle of radical that is over the 3h and 2 fraction. h=1450
OpenStudy (anonymous):
\[\sqrt[3]{\frac{1450}{2}}\]
OpenStudy (anonymous):
no
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OpenStudy (anonymous):
is it a square root or a cube root?
OpenStudy (anonymous):
d=sqrt* 3H over 2
OpenStudy (anonymous):
square root--the one that is longer and then splits into two smaller ones as the next step.
OpenStudy (anonymous):
3h and 2 is a fraction. sqrt goes over the both of them--just one. I get that you then break it down by placing two radicals over each den and num. lost on the next step
OpenStudy (anonymous):
\[\sqrt{\frac{3\times 1450}{2}}\]
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OpenStudy (anonymous):
correct
OpenStudy (anonymous):
that one?
OpenStudy (anonymous):
and am trying to find D
OpenStudy (anonymous):
divide first, then take the square root
OpenStudy (anonymous):
so take the den of 2 and place it under D?
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OpenStudy (anonymous):
before plugging in H=1450?
OpenStudy (anonymous):
yes you can divide first. you have
\[\frac{3\times 1450}{2}=2175\]
OpenStudy (anonymous):
mhm
OpenStudy (anonymous):
would I have to square both sets of numbers?
OpenStudy (anonymous):
then take the square root.
\[\frac{\sqrt{a}}{\sqrt{b}}=\sqrt{\frac{a}{b}}\]
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OpenStudy (anonymous):
or both sides of the equal sign??
OpenStudy (anonymous):
if you are just trying to compute the square root of that number, no. just use a calculator
OpenStudy (anonymous):
okay- go one
OpenStudy (anonymous):
go on
OpenStudy (anonymous):
rationalizing denominators means something else. for example
\[\frac{1}{\sqrt{2}}=\frac{\sqrt{2}}{2}\]
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OpenStudy (anonymous):
but if you just want a number you can compute inside the radical and then take the square root
OpenStudy (anonymous):
what did you get for the answer?
OpenStudy (anonymous):
46.64 rounded. in radical form i got
\[5\sqrt{87}\]
OpenStudy (anonymous):
that is not the answer.
OpenStudy (anonymous):
it is 47, but thanks any way. haha
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