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