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

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Question 235252: Solve.

i tried dividing by 6 on both sides to get and then squaring to get x=1/36, and that isn't the answer in the back of my text book.
Click here to see answer by scott8148(6628)

Question 235514: how do i solve 9h^2-6h+7=0 by using the quadratic formula
Click here to see answer by josmiceli(9649)

Question 235514: how do i solve 9h^2-6h+7=0 by using the quadratic formula
Click here to see answer by solver91311(16868)

Question 236042: Please help me solve these:
Are the roots given for each equation correct?
w squared + 14w = 49 (7, -7) (I say this is not correct but I can't prove why)
2t squared - 7t -4 = 0 (4, - 1/2) ____________________(I don't know how to solve this)
Click here to see answer by stanbon(57219)

Question 236041: Please can someone help me with these questions:
The sum of the roots of the equation x squared - 20x = 0 is_____________________.
The product of its roots is_________________.
Click here to see answer by stanbon(57219)

Question 236116: I am supposed to simplify the cubed root:
5 sqrt -1/32
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Question 236114: I am supposed to multiply and simplify these cubed roots by factoring:
3 sqrt y^13 3 sqrt 81 y^18
The answer I got was 3 sqrt 9y^27 but I am sure that's not correct
Click here to see answer by Alan3354(30959)

Question 236113: I am supposed to simplify this cubed root by taking roots of the numerator and denominator:
3 sqrt 729x^11/y^3
Is the root a real number? I don't think it is, but am not sure.
Click here to see answer by Alan3354(30959)

Question 236373: 1. (6√2)/(√3)
2. √(18x^4y^3)

Click here to see answer by checkley77(12569)

Question 236542: w^4-18w^2-2=0
What is the solution?
Click here to see answer by checkley77(12569)

Question 236571: During the first part of a trip, a canoeist travels 79 miles at a certain speed. The canoeist travels 2 miles on the second part of the trip at a speed 5mph slower. The total time for the trip is 2 hrs. What was the speed on each part of the trip? (Simplify the answer, type an integer or a decimal point, round to the nearest hundredth).
Click here to see answer by JimboP1977(308)

Question 236666: cubedroot(x)-4=2
Click here to see answer by checkley77(12569)

Question 236908: I am reveiwing algebra on my own in my old age. I am stumped on a problem. I need to find the 6th root of 225. I have broken the equation down into the square and the 3rd root, but cannot find the book answer which is the cube root of 15. Can you help? I am over half way through the book and do not move on until I have solved all of the odd numbered problems and checked my answers against the book answers.
Click here to see answer by rfer(12644)

Question 237115: -^3root-125
Click here to see answer by cowgirl30(8)

Question 237242: what is the square root of 12/48

Click here to see answer by stanbon(57219)

Question 237419: What is the additive inverse of the square root of 17?
Click here to see answer by jim_thompson5910(28476)

Question 237781: What is the square root of 35
Click here to see answer by rfer(12644)

Question 237777: ok so the problem ask "add or subtract as the signs indicate. When possible, check results with the calculator, recording screen displays exactly as they apprear" here is the problem
3cubed root of 27 + 12 cubed root of 216.
so far all i have done is 3 cubed root of 3 squared times 2. then i got stuck. i dont even know if this is even right

Click here to see answer by ankor@dixie-net.com(15624)

Question 238123: Rationalize senominators and simplfy: sq. root 24x / sq. root 5x^2
Click here to see answer by nyc_function(2733)

Question 238367: how to get the answer for a square root of 35 and round to nearest thousandths how does it get rounded
Click here to see answer by stanbon(57219)

Question 238440: Joe Lucky recently won the New Mexico lottery. The amount of money that he won just happens to be the smallest number of cents (other than 1 cent) that is a perfect square, a perfect cube, and a perfect fifth power. How much money did he actually win?
Click here to see answer by jsmallt9(3296)

Question 238428: What is wrong with the following? √25 = ±5
Click here to see answer by jsmallt9(3296)

Question 237750: What is the fourth root of 200?

Click here to see answer by College Student(505)

Question 239009: 2x^2+16x-18
Click here to see answer by scott8148(6628)

Question 239097: How do you solve for the square root of y = neg. 3?
Click here to see answer by jsmallt9(3296)

Question 239147: Find the polynomial of the lowest degree whose roots are -4, 7, 3, and -6
Click here to see answer by Alan3354(30959)

Question 239562: how do you solve the square root problem when theres a number outside of the square root symbole?
Click here to see answer by Alan3354(30959)

Question 240380: square roots: 500 + 300
Click here to see answer by checkley77(12569)

Question 240437: Please help me simplify

Click here to see answer by vleith(2825)

Question 240437: Please help me simplify

Click here to see answer by stanbon(57219)

Question 240479: I'm really stuck on this problem, I don't think the answer is 800 or 28.28. Any help is appreciated. Please show work if you can so I can beat this in my head. Thanks to all that help!
√500 + √300
Click here to see answer by Alan3354(30959)

Question 240630: Subtract. Simplify by collecting like radical terms if possible.
4*sqrt27 - 5*sqrt3
Click here to see answer by solver91311(16868)

Question 240633: Simplify by factoring. Assume that all expressions under radicals represent nonnegative numbers.
sqrt of 20a^2b
Click here to see answer by rapaljer(4667)

Question 240631: 5th root of -1/32
Simplify
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Question 241015: square root of 18x^4y^8
Click here to see answer by rapaljer(4667)

Question 241032: Rationalize the denominator and simplify.
sqrt(6)/4sqrt(3) + sqrt(2)
I am having a real hard time figuring the square root problems.
I will try: sqrt(6)/4sqrt(3) + sqrt(2) =
sqrt(6)/sqrt(12) + sqrt(8) = sqrt(6)/sqrt(20) =
sqrt(3)/sqrt(10) answer
I am not sure I am doing this problem correctly?
Any help would be really appreciated.

Click here to see answer by rapaljer(4667)

Question 241004: finding square roots
1) x^2=60
2) x^2-9=16
3) 4x^2+7=23
4) x^2/6-2=0

Click here to see answer by nyc_function(2733)

Question 241004: finding square roots
1) x^2=60
2) x^2-9=16
3) 4x^2+7=23
4) x^2/6-2=0

Click here to see answer by jsmallt9(3296)

Question 241151: the square root of 49 is how much less than four squared?
Click here to see answer by edjones(7569)

Question 241289: sqrt(8a^9)/b^3 = (8a^9)(b^3)

= (8a^3)(b^3)
= 8ab^3
Is this correct? I am not sure I am following the steps correctly in this formula?
Thanks.
Click here to see answer by Theo(3458)

Question 241288: sqrt(4 - x) = (4 - x)
= (4 + x) answer
Is this correct?
Thanks
Click here to see answer by checkley77(12569)

Question 241493: - (2^2) + 6(5-9)/2 + 48/2 =

I came up with 23.5
Click here to see answer by unlockmath(1599)

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