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Mathematics 21 Online
OpenStudy (anonymous):

simplify 6√128

OpenStudy (nali):

128 / 4 = 36 36/ 4 = 8 8/4 = 2 therefore \[\sqrt{128} = \sqrt{4} \sqrt{4} \sqrt{4} \sqrt{2}\] = (2) (2) (2) \[\sqrt{2}\]

OpenStudy (nali):

sorry the squareroot 2 is supposed to be next to the rest of the 2s

OpenStudy (nali):

as a result, \[6\sqrt{128} = 6 \times 8\sqrt{2} = 48\sqrt{2}\]

OpenStudy (anonymous):

Thanks a lot nali

OpenStudy (nali):

u r welcome

OpenStudy (anonymous):

How about √29. I answered. Not a square

OpenStudy (nali):

what is the question?

OpenStudy (anonymous):

Simplify √29

OpenStudy (nali):

the trick is to look for perfect squares such as 4, 9, 25, 36, 49

OpenStudy (anonymous):

So 29 is not a perfect square

OpenStudy (nali):

yes just like 128

OpenStudy (nali):

but u could divide 29 into a perfect square and another number

OpenStudy (nali):

do u get it?

OpenStudy (anonymous):

No

OpenStudy (anonymous):

Still. Confusing

OpenStudy (anonymous):

I answered. Simply the square root of 29 in my homework

OpenStudy (nali):

i divided 128 by 4 becuz it was a perfect square then i kept dividing by 4 untill i got \[\sqrt{2}\] then i had to stop and left it as 48\[\sqrt{2}\]

OpenStudy (nali):

wait iam about to answer ur question

OpenStudy (anonymous):

Thanks nali. I understand about 128 cause it is perfect squate but 29 is not

OpenStudy (nali):

\[29 can be divided by 4 and answer will be 7.25\]

OpenStudy (nali):

sorry about that

OpenStudy (nali):

29 can be devided by 4 and the answer will be 7.25

OpenStudy (nali):

so \[\sqrt{29}= \sqrt{4} \times \sqrt{7.25}\]

OpenStudy (nali):

= \[2\sqrt{7.25}\]

OpenStudy (anonymous):

Thanks alot

OpenStudy (nali):

u r welcome

OpenStudy (anonymous):

Find consecutive integers. M and n such that given number is between m and n or state that the given number is not a real number. 1. -√115

OpenStudy (nali):

sorry i can not help you in this one u should copy this question in the ask a question box so more people can help u

OpenStudy (anonymous):

How about this. Find two fractions. Between. 2/3 and 3/4

OpenStudy (anonymous):

I got more than 500 homework. And I don't. Know how to answer 5 of the question. I'm sorry if I bother u a lot

OpenStudy (anonymous):

Do I need to devide it by 2

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