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

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Question 201746: rewrite with rational exponents:
(√3mn)^7

a little confuse, any help is appreciated

Click here to see answer by jim_thompson5910(35256)

Question 201751: Can you please explain to me how to simplify the following equation?

thank you.
Click here to see answer by jim_thompson5910(35256)

Question 201757: Hello,
I need some help with a couple of problems that are giving me a hard time. Any and all help will be appreciated. They are:
1. Divide: x^2 - 9x +8/2x - 4 / x^2 - 1/2x + 2
2. Perform the indicated operations: 4sqrt[50] + sqrt[32] - sqrt[18]
Again, any and all help will be appreciated.
Thank you in advance for your help.

Click here to see answer by jim_thompson5910(35256)

Question 201791: sqrt (56ab^3) / sqrt (7a)
Click here to see answer by Theo(13342)

Question 201791: sqrt (56ab^3) / sqrt (7a)
Click here to see answer by jsmallt9(3758)

Question 201790: Multiply: sqrt (x)^1/3 (sqrt (3x^2)^1/3 - sqrt (81x^2)^1/3)
Click here to see answer by Theo(13342)

Question 201810: IN response to the answer give for Question 201790
This problem is actually cube root form written as sqrt (x)^1/3. The ^1/3 means that each square root has a cube root. If you could please help me again with this problem.
Cube root sqrt (x) (cube root sqrt (3x^2) - cube root sqrt (81x^2))
Click here to see answer by jim_thompson5910(35256)

Question 201812: (cube root sqrt (ab))^15
Click here to see answer by Earlsdon(6294)

Question 201813: Multiply. sqrt (x/3) sqrt (5/x-2)
Click here to see answer by RAY100(1637)

Question 201788: sqrt (x/3) sqrt (5/x-2) Multiply.
Click here to see answer by profemmanuel2q@yahoo.com(15)

Question 202043: 3/4-sqrt(7). Rationalize the denominator. I am having a hard time with this one. Can you help me please.
Click here to see answer by nerdybill(7384)

Question 202044: f(t)= cube root (6)(4-3t). Write the answer in interval notation. I need help with this one asap! Please help!
Click here to see answer by Alan3354(69443)

Question 202250: I have an equation w=Crˉ� and need to solve for r.
I see this as been rˉ�=C/w.
Can someone please verify if this is correct.
Click here to see answer by RAY100(1637)

Question 202252: I am using w=Crˉ�(the exponent is -2). I have a word problem in which an object is 100 pounds at sea level. I need to find the value of C that makes this equation true, seal level is 3,963 miles from the center of the earth.
100= C*3,963ˉ�(the exponent is -2).
C = 100/3,963ˉ� (the exponenet is -2).
At this point I am not sure what direction to take, can someone please help me toward the right direction.
Click here to see answer by vleith(2983)

Question 202238: trying to resolve (320 x^8 y^19)^1/2. Can not figure it out
Click here to see answer by Earlsdon(6294)

Question 202564: 2 times the square root of x minus 1 minus the square root of 3x minus 5 equals the square root of x minus 9
Click here to see answer by jim_thompson5910(35256)

Question 202596: sqrt 21 / sqrt 6
Click here to see answer by stanbon(75887)

Question 202596: sqrt 21 / sqrt 6
Click here to see answer by jim_thompson5910(35256)

Question 202636:
Click here to see answer by jsmallt9(3758)

Question 202863: How do you solve:
Click here to see answer by jim_thompson5910(35256)

Question 202871: Can you please help me find the solution:
Me: (-2+i radical 4)2
Me: (-2)2+2(-2)(i radical 4)+(i radical 4)2
Me: 4-4i radical 4 + 4i(squared)
I know this is wrong...
Click here to see answer by jim_thompson5910(35256)

Question 202898: I need help with: (-3 - radical -7)^2
Click here to see answer by jsmallt9(3758)

Question 203016: What does the radical sign tell you to do if, for example you have: 7√2.
Does the sign mean multiply 7 by 2, and you'll get your answer?
Click here to see answer by solver91311(24713)

Question 203024: if sqrt5x-4=sqrtx +3(not under the sqrt sign),then which of the following is true?(1)5x-4=x+3sqrtx +9(not under the sqrt sign) (2)5x-4=x+9 (3) 5x-4=x+6sqrtx +9(not under the sqrt sign). or (4) 4x-4=9. thanks so much for your help.
Click here to see answer by RAY100(1637)

Question 203101: {{cube root of 108x^3y^7/2y^3}}
Click here to see answer by jim_thompson5910(35256)

Question 203101: {{cube root of 108x^3y^7/2y^3}}
Click here to see answer by jsmallt9(3758)

Question 203117: what is the square root of 18, square root of 50 and square root of 27x^3y?
Click here to see answer by jsmallt9(3758)

Question 203160: how do you simplify 3 radical 2 minus radical 3 minus radical 2
Click here to see answer by Earlsdon(6294)

Question 203177: Susan's rectangular kitchen measures 12 feet by 15 feet. Her bathroom is similar (it has the same shape), but its area is only a quarter of the kitchen's area. Find the dimensions of her bathroom
Click here to see answer by jejess(7)

Question 203233: What is the square root of 81, c to the 5th, d to the 4th?
Click here to see answer by edjones(8007)

Question 203350: What is the square root of 4x minus the square root of 6y, divided by 2x minus 3y?
Click here to see answer by rfer(16322)

Question 203496: Solve for X
2x^2+x+9=0
I've gotten this far
x=+- sqrt 1+72/4
Click here to see answer by stanbon(75887)

Question 203592: in a right triangle the legs are 3 rational 3 find the length of the hypothenuse
Click here to see answer by RAY100(1637)

Question 203587: 5√(2)+6√(8)-7√(45)
Click here to see answer by RAY100(1637)

Question 203596: √8(2√6-4√10)
Click here to see answer by jsmallt9(3758)

Question 203800: I have to multiply rational expression by using the distributive property.
3(square root7t)(2(square root7t) + 3(square root3t^2)), I believe that the it has to be distributed. Thank youu very much.
Click here to see answer by stanbon(75887)

Question 203886: 3(sqrt7t)((2(sqrt7t) + 3(sqrt3t^2))
I need help solving it. I guess distributing the equation. Honestly, I do not know. I really need help. Thank you.
Click here to see answer by ankor@dixie-net.com(22740)

Question 203911: In a right traingle fond the length of the side not given
b=1 and c=sqt26
thank you
Click here to see answer by Alan3354(69443)

Question 204177: How do you solve this radical the square root of 2x+5+5=x?
What I have tried: you isolate the radical to (2x+5)^2 =( x+5)^2
Then I got 5x+25=50 simplify to 5x+50/5 which gave me a final answer of x=5. Am I on the right track?
Click here to see answer by Edwin McCravy(20056)

Question 204218: Please help with this problem, it's not in the text book.
(4√3-6√2)^2=

Click here to see answer by Alan3354(69443)

Question 204242: How do you check the answer for the equation 4/x+5 + 2/x-5= 32/(x+5)(x-5)
The answer I got after all my calculation was x=7, but how do I check to make sure that it is correct? Erika
Click here to see answer by Earlsdon(6294)

Question 204299: Evaluate if possible ^3/-64 [cube root of -64] and ^3/64 [cube root of 64] and /-64 [square root (-64)] and /64 [square root (64)]
Click here to see answer by RAY100(1637)

Question 204401: Just curious how to do this problem?? Thanks if you can help! Really appreciat it! This "Rationlizing for the denominator" stuff!
Click here to see answer by Alan3354(69443)

Question 204499: simplify

Click here to see answer by alicealc(293)

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