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Please help me with square roots!

Mathematics
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|dw:1348515128794:dw|
I do not know how to add square roots. Please explain.
a+a=2a so what will be \(\sqrt2+\sqrt2=?\)

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Other answers:

I don't know. Please explain in the simplest way possible! :(
if u have one apple and you add one more apple to it , how many apples do u have now ?
Two apples.
if u have one \(\sqrt2\) and you add one more \(\sqrt2\) to it , how many \(\sqrt2\) do u have now ?
Two?
yes! thats correct :) so your answer will be \( 2\sqrt2\)
I have another problem that is a little different. here it is.
|dw:1348515880601:dw|
if u have one √5 and you add two more √5 to it , how many √5 do u have now ?
three?
yes, correct! now u can solve :) the answer would be then \(3\sqrt5\) understood ?
yes! thank you so much! can you see if I do the next one correctly?
sure go ahead.
|dw:1348516101245:dw|
That would be |dw:1348516160082:dw|
|dw:1348516206273:dw|
Yes.
square root and cube root cannot be added, so there is no simplification to this.
is first one also cube root ?
Oops my mistake! It is not the cube root. I am so sorry!
can u take a snap shot of your question and post it? because i think that both of them are cube roots. hence your answer of 6\(\sqrt[3]10\) is correct, u just missed the 3 of cube root.|dw:1348516519903:dw|
I will draw it a little better as I do not have a smartphone for easy photo taking.
|dw:1348516618045:dw|
yup both are cube root. then u added correctly to get 6\(\sqrt[3]10\), u just missed the 3|dw:1348516685189:dw|
do u get it ?
Yup! Thanks! Would you mind checking a few more? They are all different.
|dw:1348516889317:dw|
First of all \(\large \color{red}{Welcome \quad to \quad OpenStudy.}\)
Aw thank you so much!
if you are subtracting 2 cube roots then u get a cube root only.
|dw:1348517060673:dw|
Oh I thought that I should have done it that way. Silly me!
|dw:1348517146691:dw|
thats correct!
Yay!
|dw:1348517231905:dw|
i can't see your answer.
There is no answer. I put ? Because I don't know how to do it. I wish they would allow people to make the picture bigger. Ugh! :(
what have u written after = sign ?
I have written ? because I don't know how to do it.
|dw:1348517501444:dw|
A question mark.
ok, what is 10*2 = ?
20
so \(\sqrt10\)\(\sqrt2\) will be \(\sqrt20\) got it ?
yes thank you so much!
most welcome :)
\(\ddot\smile\)
|dw:1348517776323:dw|
that is so correct! you are becoming good at this :)
Thanks!
|dw:1348518007723:dw|
yup. correct.
|dw:1348518085741:dw|
nopes, this one is not correct.
Oh. How would I do it?
hint : 3= \(\sqrt3\)\(\sqrt3\)
2?
|dw:1348518359277:dw| get this ?
Yes! That is all of them. Thank you SO much! You are the best!
you are now good at solving such problems :) Welcome :) next time post each question separately.
Thank you so much again! Will do! Since you are so good at square roots, would you help me with like three more? They are different from the others.
yup. i will help :)
Awesomeness! You made my day.
|dw:1348518696935:dw|
hint : 27 = 3*3*3
so it would be 3x3x3?
2nd hint : \(\sqrt[3]{x*x*x}=x\)
stuck ?
yeah
27
nopes.
|dw:1348519204306:dw|
I am confused. Sorry.
\(\huge \sqrt[3]{x.x.x}=x\) put x=3 here.
3x3x3=27
the answer is 3.
oh. Sorry I was so confused... :(
|dw:1348519560685:dw|
hint : 64 = 4*4*4
got it!
answer = ?
|dw:1348519756019:dw|
oops i forgot to put the 3 in there.
|dw:1348519773319:dw| yes. 4 is the answer.
i put it for you :)
thanks! I will let you know if I ever need anymore help! Thank you SOOOOO much!:D
Welcome SOOOOO much!:D

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