Questions on Algebra: Radicals -- complicated equations involving roots answered by real tutors!

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Question 254880: using the product rule multiply assuming all variables represent positive real numbers
3*sqrt(27m^3) * 3*sqrt(125m^3)
Click here to see answer by drk(1908)

Question 254892: for positive real numbers x,y,z, what is the equivalent to x^1/2 y^2/3 z^5/6?
a. 3 sqrt xy^2 z^3
b. 6 sqrt xy^2 z^5
c. 6 sqrt x^3 y^2 z^5
d. 6 sqrt x^3 y^4 z^5
e. 11 sqrt xy^2 z^5
i guessed d. b/c i multiplied 6*3 =18, then i put 18/6 = 1/2 ...but i need help please am i doing this all wrong?
Click here to see answer by richwmiller(17219)

Question 255033: I need help with this radical equation and evaluating: 25^(-3/4)
Click here to see answer by richwmiller(17219)

Question 255035: please help me solve the equation w=c times r to the negative second power solve for r.. thank you very much
Click here to see answer by nerdybill(7384)

Question 254531: use rational exponents to simplify: ^5√x^-30
Click here to see answer by jsmallt9(3758)

Question 254529: rewrite with rational exponents (^5√2x^6y)^7
Click here to see answer by jsmallt9(3758)

Question 255146: rewrite rational exponents (^5√2x^6y)^7

Click here to see answer by user_dude2008(1862)

Question 255146: rewrite rational exponents (^5√2x^6y)^7

Click here to see answer by Alan3354(69443)

Question 255419: The problem is: Simplify- 3(radical)32x^9y^4
I know that you have to distribute the 3 to simplify, but i really do not remember how. I do not know how to distribute the 3 to the other terms.
Please and thank you.
Click here to see answer by drk(1908)

Question 255574: 3
I hope I wrote this write, I tried to copy and paste but it will not paste right!
Click here to see answer by vleith(2983)

Question 255638: 12. Write each radical expression in simplified radical form. sqrt2/sqrt18
60. Simplify. (3sqrt3)^4
Click here to see answer by stanbon(75887)

Question 255638: 12. Write each radical expression in simplified radical form. sqrt2/sqrt18
60. Simplify. (3sqrt3)^4
Click here to see answer by edjones(8007)

Question 255637: 36. Simplify the sums and differences. Give exact answers. (3sqrt2)(-4sqrt10)
88. Simplify each expression. sqrt2t^5 *sqrt10t^4

Click here to see answer by stanbon(75887)

Question 255659: 80. Find all real or imaginary solutions to each equation. Use the method of your choice. w2=-225
30. Solve each equation by using the quadratic formula. -3x^2-2x-5=0
Click here to see answer by richwmiller(17219)

Question 255667: 42. Find b^2 - 4ac and the number of real solutions to each equation.
14. Solve each equation by using the quadratic formula. -8q^2+2q+1=0
Click here to see answer by stanbon(75887)

Question 255483: how do i work out the equation x/7 = x-5/2
Click here to see answer by richwmiller(17219)

Question 255674: 42. Find b^2 - 4ac and the number of real solutions to each equation.
14. Solve each equation by using the quadratic formula. -8q^2+2q+1=0
Click here to see answer by EMStelley(208)

Question 255548: square root x+3 = 13 -square root x
Click here to see answer by EMStelley(208)

Question 255842: HELP!!!! I do not know how to do these two problems. If you can show me how to do the problems and explain them, that would be extremely helpful. Thank you in advance(:

1. ^3square root(216y^3)
2. ^3square root[(x+3)^3 divide by (x-4)^6]

Click here to see answer by stanbon(75887)

Question 256249: simplify the expression 2 divided by 1 minus the square root of 3
Click here to see answer by richwmiller(17219)

Question 256320: I dont understand this.....

Square Root of 50-3*Square root of 2
any help would be greatly appreciated

Click here to see answer by Alan3354(69443)

Question 256434: the ratio of poseurs to outright frauds was 14 to 3. if they totaled 2244, how many were poseurs
Click here to see answer by richwmiller(17219)

Question 256621: Multiply.
(sqrt5)(-2sqrt5 +3)

I am not sure how to solve, would the answer be 2-1sqrt5?
Would appreciate any help.
Click here to see answer by Alan3354(69443)

Question 256707: how would you solve square root of 3x times square root of 24x can u please help me im not sure how to solve it i thought u would multiply but im not sure if im right?
Click here to see answer by ankor@dixie-net.com(22740)

Question 256828: how do you simplify the square root of 1184
Click here to see answer by checkley77(12844)

Question 256828: how do you simplify the square root of 1184
Click here to see answer by drk(1908)

Question 256828: how do you simplify the square root of 1184
Click here to see answer by richwmiller(17219)

Question 256840: Multiply and simplify by factoring. Assume that all expressions under radicals represent nonnegative numbers.
sqrt 45a^7b times sqrt27a^8b^6
Any help would be appreciated.
Click here to see answer by richwmiller(17219)

Question 256844: Divide. Then simplify by taking roots, if possible. Assume that all expressions under radicals represent positive numbers.
sqrt8xy^3/sqrt4x
Any help would be appreciated.
Click here to see answer by checkley77(12844)

Question 256858: OK I have a problem: I have the right answer and I've even had it double checked by my teacher I'm just not sure how I got there.
The problem is: 2√5+3√20 And I know the right answer is:8√5.
I just can't remember I got from one to the other.
Click here to see answer by CharlesG2(834)

Question 256921: If one leg of a right triangle is 2 and the other leg has a length of 3, what is the length of the leg in simplest radical form?
Click here to see answer by Fombitz(32388)

Question 257046: How would i know if this radical is equal to one another?
6+~(3)=~(3)+6
Click here to see answer by richwmiller(17219)

Question 257038: use rational exponents to simplify. Write the answer in radical notation if possible.
6thpower sqrt a^4
Any help would be appreciated.

Click here to see answer by richwmiller(17219)

Question 257246: I have gotten all my questions right in the Lesson except for this one.I'm not sure why this one seems so hard to me, I'm not even sure how to start. Any help is greatly appreciated.
The Problem: (-3125a5)^(2/5)
Click here to see answer by Alan3354(69443)

Question 257148: 3 over x +6 = negative 3\4
Click here to see answer by unlockmath(1688)

Question 257276: multiply.
(2sqrt2-6sqrt5) (5sqrt2+15sqrt5)
Any help would be appreciated.
Click here to see answer by richwmiller(17219)

Question 257283: Use the law of exponents to simplify.
6^3/4 multiply 6^1/8
would it be 6^3/32?
Any help would be appreciated.
Click here to see answer by richwmiller(17219)

Question 257293: (radical7 + 2)(radical7 - 5) solve using foil
Click here to see answer by Fombitz(32388)

Question 257280: multiply.
(sqrt8+3sqrt10) (sqrt8-3sqrt10)
any help would be appreciated.
Click here to see answer by jim_thompson5910(35256)

Question 257149: -1 over x+9 = -8\5
Click here to see answer by Fombitz(32388)

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