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

Tutors Answer Your Questions about Radicals (FREE)

Question 204498:
x = ?
Click here to see answer by alicealc(293)

Question 204497:
Click here to see answer by alicealc(293)

Question 204491: This is not from a book, but from the instructor w=Cr^-2. w= weight- 100lbs, r= a distance of 3,963 mi. we are to solve for C, a constant. I am not sure whow to solve the problem and have no idea how to work with the ^-2. Is the problem supposed to be in a different form? I am not looking for an answer, just how to solve it.
Click here to see answer by sowmya(32)

Question 204611: 2 � (2 - √a)
I need to rationalize the denominator

Click here to see answer by Earlsdon(6294)

Question 204747: Solve the following formula for y
x/5-y/3=1
Click here to see answer by Alan3354(69443)

Question 204749: Solve the following for v.
h =5vt+17t^2
Click here to see answer by Alan3354(69443)

Question 204796: I am in the 11th grade and I need help to figure out how to do radicals and to convert them. Could you please help me step by step. Thanks.
Click here to see answer by PRMath(133)

Question 204798: What is the anwser to this question: 9radical50 - 4radical2

sorry there is no radical sign on my keyborad so understand that when i say 9radical50 i mean 9 the radical sign and inside it the number 50 thank you
Click here to see answer by Earlsdon(6294)

Question 204890: Please help me simplify this expression.
(3-2√7) (3+2√7)
FYI- The symbol � √� is a radical expression (square root). I truly apprecaite any help you can give me on this.
Thanks !!!

Click here to see answer by stanbon(75887)

Question 204900: (√6)/(√7) � (√14)/(√3)
I need to simplify this radical equation. :-(
Click here to see answer by alicealc(293)

Question 204899: I need to simplify this radical
(√6)/(√7) � (√14)/(√3)
Click here to see answer by stanbon(75887)

Question 204883: I need to simplify the expression. I need to write my answers with postive exponents. I need to assume all variables represent positive real numbers.
(-27x^9)1/3
Click here to see answer by RAY100(1637)

Question 204969: Hi!
I am having trouble with the problem:
Expressed in a + bi form, 5/3 + i is equivalent to...
Thanks in advance.
Click here to see answer by Earlsdon(6294)

Question 204969: Hi!
I am having trouble with the problem:
Expressed in a + bi form, 5/3 + i is equivalent to...
Thanks in advance.
Click here to see answer by RAY100(1637)

Question 205026: Hi.
I am having trouble with this question:
Which equation, in axsquared + bx + c form, has the roots 5 - 2i and 5 + 2i. thanks.

Click here to see answer by ankor@dixie-net.com(22740)

Question 205026: Hi.
I am having trouble with this question:
Which equation, in axsquared + bx + c form, has the roots 5 - 2i and 5 + 2i. thanks.

Click here to see answer by scott8148(6628)

Question 205060: Equations involving radicals solve each equation and check for extraneious soulutions:
3√w+1=6
Click here to see answer by edjones(8007)

Question 205096: I am having trouble with this equation:
5/ (3 + i) is equivalent to what in a + bi form.
Click here to see answer by nerdybill(7384)

Question 205095: Hi. I am having trouble with this problem:
Expressed in a + bi form, 5/ 3 + i is equuivalent to...
A) 15 - 5i, B) (3/2) - (1/2i), C) (5/3) - 5i, D) (15/8) - (5/8i)
Click here to see answer by nerdybill(7384)

Question 205028: Hi.
Expressed in form, is equivalent to:
A) , B) , C) , D)
Click here to see answer by Edwin McCravy(20054)

Question 205243: square root x+2-x=0 solve I can't find the solution.
The volume of a cubic is given by v=s3, where s is the length of a side. Find the length side of a cubic if the volume is 8oocm3. Round the answer to the three decimal places.
Can someone help me through this I'm lost!!!!!!!!!!!!!
Click here to see answer by rfer(16322)

Question 205248: (2x - 3y) * (2x - 3y) * (2x - 3y)
Click here to see answer by profemmanuel2q@yahoo.com(15)

Question 205245: what is the answer to
Click here to see answer by jsmallt9(3758)

Question 205199: Hello I need help figuring out this equation involving radicals. I need to solve the equation and check for extraneious solutions.
√a-1-5=1
I get a=-1 but I don't think that is right.
Click here to see answer by ankor@dixie-net.com(22740)

Question 205295: Simplify using positive exponents only: x-4 divided by x+4 plus x+4 divided by x-4
Click here to see answer by alicealc(293)

Question 205310: Can you please help me solve the problem? It's solving radical equations.
2x + square root (x+1) =8
The only thing in the square root is x + 1. I wasn't sure what sign to use on the keyboard for that.
I know the answer is 3, but I don't understand how to get it. I know you have to square both sides. Thank you.
Click here to see answer by stanbon(75887)

Question 205160: 9x+3/x^2-9 - 5/x-3
Click here to see answer by Earlsdon(6294)

Question 205394: Hello all.....I am stuck on this one...
Write the expression using radical notation.

7^(-7/5)
Anyone know?
Click here to see answer by user_dude2008(1862)

Question 205705: I am having a problem solving this rational equation problem. Please help. Thank you.

3/x+1/4=5/8
Click here to see answer by RAY100(1637)

Question 205722: whats the cubed root of 7x to the 5th power times the cubed root of x to the fourth power?
Click here to see answer by stanbon(75887)

Question 205911: I am trying to simply the radicals sqrt(16n) and sqrt(7z^16). I think the first radical is 4n however, I am unsure of the second one. Any input would be greatly appreciated.
Click here to see answer by Alan3354(69443)

Question 206178: cube root(16x^15y^7z^11) Thank you for helping me solve this.
Click here to see answer by Marth(57)

Question 206025: solve and check for extraneous solutions: natural logarithms (In)square root (x-3)=1
Click here to see answer by edjones(8007)

Question 206802: (16a^6)^3/4
Click here to see answer by profemmanuel2q@yahoo.com(15)

Question 206890: What is the radical of 50 plus the radical of 18 minus the radical of 98?
Click here to see answer by Alan3354(69443)

Question 206891: Eliminate the imaginary number from the denominator of the following fraction
3i/7+2i
Click here to see answer by Alan3354(69443)

Question 206892: Remove radical and simplify..
radical of x-3 plus radical of 2x equals three?
Click here to see answer by Edwin McCravy(20054)

Question 206895: Find the radical of A times the radical A with an index three
Click here to see answer by RAY100(1637)

Question 206953: could you help me solve: square root x (over) 5 square root x minus square root y

Click here to see answer by Alan3354(69443)

Question 206894: write x with exponent of 2, y with exponent of negative 1 / x with negative exponent of 1 , y with exponent of 2 write with positive exponents only..
Click here to see answer by RAY100(1637)

Question 207318: simplify radicals is the worksheet the problem is the square root of 32
Click here to see answer by RAY100(1637)

Question 207330: "How do you simplify the radical, square root of 250"
Click here to see answer by jim_thompson5910(35256)

Question 207332: "how do you simplify the radical, square root of 252"
Click here to see answer by jim_thompson5910(35256)

Question 207381: 50sqrt
--------
2sqrt
Click here to see answer by jim_thompson5910(35256)

Question 207604: Simplify the expression. Assume all variables represent positive real numbers.

square root of:

___________

Click here to see answer by checkley77(12844)

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