Questions on Algebra: Square root, cubic root, N-th root answered by real tutors!

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Question 656449: What are two whole numbers that I can substitute for n to make this statement true 9< square root of n <11
Click here to see answer by swincher4391(1107)

Question 656449: What are two whole numbers that I can substitute for n to make this statement true 9< square root of n <11
Click here to see answer by fcabanski(1391)

Question 656372: x^4/3 = 256

Click here to see answer by jsmallt9(3758)

Question 656225: Simplify the 5th square root of x^3y^2 10th square root of x^4y^16
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Question 656850: sqrt9-b=sqrt1-9b
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Question 656848: sqrt9-b=sqrt1-9b
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Question 656856: What is two plus the square root of three over the square root of five?
Click here to see answer by MathLover1(20849)

Question 656856: What is two plus the square root of three over the square root of five?
Click here to see answer by Tatiana_Stebko(1539)

Question 656926: what is the square root of 25+144
Click here to see answer by solver91311(24713)

Question 658157: how do you solve square root problems that are, (√12)^2....the ^2 is squared. please help, thank you!
Click here to see answer by Alan3354(69443)

Question 658698: n^3-2n^2(n+1)
Click here to see answer by MathLover1(20849)

Question 660766: 3 (square root symbol) 9+x=15
How do we solve for X? We know the correct answer is 16, but we don't know why!
Click here to see answer by jim_thompson5910(35256)

Question 661139: Hi, the question that I have is about addition of radical expressions. The problem is
9√5 + 3√20 thanks
Click here to see answer by MathLover1(20849)

Question 662451: Where do I become? I have no idea how to work this problem.(a+b)/(c)=(x)/(d)
Click here to see answer by Alan3354(69443)

Question 662451: Where do I become? I have no idea how to work this problem.(a+b)/(c)=(x)/(d)
Click here to see answer by MathLover1(20849)

Question 662552: 1.7b cubed= 86.4 If the answer is not a cube of the number how do you find the answer ?
Click here to see answer by Alan3354(69443)

Question 662845: What number with an exponent of 4 equals 81? Could you please show me how I would solve it?
Click here to see answer by rfer(16322)

Question 662862: i can't get to the correct solution, please help me
d=square root then(2- 1/2)2nd power + ( -1-4/3) 2nd power
can u please show how to solve this equation, many thanks
Click here to see answer by Alan3354(69443)

Question 663586: square root 27 plus 5 square root 75 minus square root 3
please show work
Click here to see answer by mananth(16946)

Question 664375: 5x cubed - 625y cubed
Click here to see answer by Alan3354(69443)

Question 665026: How do you write 1/64 as a power of 4?
I tried to write it as 4/256 but was incorect? when turned to 4^-256
Thanks for your time in advance
Click here to see answer by vleith(2983)

Question 665029: What is 128 as a power of 4?
This came as a follow up from a question asking to write (3sqrt3)^3 as a power of 3 so has me confused.
Any help appreciated
Thanks for help in advance

Click here to see answer by vleith(2983)

Question 665851: Simplify 3 times the fourth root of 486 subtract 2 times the fourth root of 2 plus 3 times the fourth root of 32
Click here to see answer by fcabanski(1391)

Question 665936: What are the steps to simplify the following expression?
square root -7 square root -168
Thank you!
Click here to see answer by MathLover1(20849)

Question 665922: Ok, i have a SAT help book. it sites: ((( sqrt (50) + sqrt (2)= 6 sqrt (2) )))
I know (((sqrt (50) = 5 sqrt (2) ))) Logically thinking, it means
((( sqrt (2) = 1 sqrt (2) ))) However, i can never seem to find that anywhere. Any help would be appreciated.
Click here to see answer by MathTherapy(10551)

Question 666376: Please help with this question. Thank you
cube root(6) divided by cube root(a)

Click here to see answer by swincher4391(1107)

Question 666626: I'm having a hard time understing how to solve this problem. I'm posting this a second time as the answer I received previously just made me more confused, perhaps steps were left out, I don't know. Thank you in advance.
Simplify the following expression.
These are side by side:
square root -8 square root -24
Click here to see answer by Alan3354(69443)

Question 667807: whats a pie in math terms
Click here to see answer by swincher4391(1107)

Question 668377: Express
30/√5
in the form k√5
thanks in advance

Click here to see answer by lynnlo(4176)

Question 667871: how do i do "the square root of x divided by 16=4"
Click here to see answer by ReadingBoosters(3246)

Question 668953: 81+3y^3
Click here to see answer by Alan3354(69443)

Question 668156: Help solve this!
Rationalize the denominator?
3/(9-sqrt(2))

Click here to see answer by ReadingBoosters(3246)

Question 666986: 16<-14-6m
Click here to see answer by ReadingBoosters(3246)

Question 669388: what is 49 to the 7 power

Click here to see answer by stanbon(75887)

Question 669693: Hi, I would like to know if someone can help me with this problem,thanks
8√6 -2√24
Click here to see answer by jim_thompson5910(35256)

Question 669718: Hi, I would like to know if someone can help with this word problem? thanks.
Rationalize the denominator
√2
---
√13
sq rt of 2 divided by sq rt of 13
Click here to see answer by jim_thompson5910(35256)

Question 670004: 16.
Amelia hikes 12 miles due east and then 5 miles due north. What is the shortest distance in miles back to where she began? (1 point)
13
11
6
4
Click here to see answer by MathLover1(20849)

Question 670036: well this is one thing that i need help on this an one other thing that they don't have on this list.the polyomn and that is very hard on me because i have an E in alebrga 1 class an the stuff that the teachers is doing is very hard and i need help with that?
Click here to see answer by Alan3354(69443)

Question 671325: 7* 2 squared-168 squared
Click here to see answer by Alan3354(69443)

Question 671385: how much fencing,to the nearest foot is needed to enclose a square lot with an area of 350 feet^2?
Click here to see answer by Alan3354(69443)

Question 671468: what is the square root of 28x^3?
Click here to see answer by ReadingBoosters(3246)

Question 672274: 3cubic root of -216
and whole raised to power 5

Click here to see answer by Alan3354(69443)

Question 672891: what is g(x)=6|x-3|+4 in a graph
Click here to see answer by jim_thompson5910(35256)

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