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Mathematics 65 Online
OpenStudy (anonymous):

Referring to the figure, simplify the expression. http://www.ppstest2.com/images2/AL9005.jpg

OpenStudy (anonymous):

just find the square root of 54

OpenStudy (anonymous):

7.34846922835

OpenStudy (johnweldon1993):

As @Christina42872 has said

OpenStudy (anonymous):

thnx but i dont have a twitter

OpenStudy (anonymous):

thats what i put and it was wrong :(

OpenStudy (anonymous):

well that is ur problem

OpenStudy (anonymous):

?

OpenStudy (johnweldon1993):

try \[3\sqrt{6}\]

OpenStudy (anonymous):

it said simplify not evaluate

OpenStudy (anonymous):

when it evaluate then you put 7.34.... when it is simplify you the the 3 sqrt(6)

OpenStudy (johnweldon1993):

exactly @timo86m

OpenStudy (anonymous):

so its 7.34 oh ok :) yay

OpenStudy (anonymous):

no!

OpenStudy (anonymous):

yes it is see i was right

OpenStudy (johnweldon1993):

no that would be evaluating..you're simplifying

OpenStudy (anonymous):

3 * sqrt(6)

OpenStudy (anonymous):

that is 7.32

OpenStudy (anonymous):

3 * sqrt(6) just as is

OpenStudy (anonymous):

so is it 7.32 or 7.34

OpenStudy (johnweldon1993):

just think of it like this what is \[\sqrt{54}\] it can be written as \[\sqrt{9}\sqrt{6}\] right? because the squareroot of 9 times the square root of 6 is the square root of 54 right? so what is the square root of 9? 3 so your answer is 3 * square root 6

OpenStudy (anonymous):

the answer is 7.32

OpenStudy (johnweldon1993):

let me ask you if I asked you to simplify x * x ...what would you say that is? x² correct? now what if I asked you to EVALUATE x * x ? what would you say? you don't know it. the difference between evaluating and simplifying

OpenStudy (anonymous):

are you asking me or her

OpenStudy (johnweldon1993):

either...I'm trying to point out...that the question asked to simplify...not solve...the answer would be 3 * square root 6

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