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

Tutors Answer Your Questions about Square-cubic-other-roots (FREE)

Question 297570: Solve the equation by the square root method.
(2x-5)^2=121
There are 2 answers
8 and -3
Please help me understand how they came up with this
Click here to see answer by jim_thompson5910(28598)

Question 297610: The formula for the period of a pendulum is t=2[pi]sqrt(L/G) where t is the period in seconds, L is its length in feet, and G is t he acceleration of gravity. On earth, gravity is 32 ft / sec^2. The formula when used on Earth becomes t=2[pi]sqrt(L/32).
Find the period of a pendulum whose length is 8 feet.
Click here to see answer by nyc_function(2733)

Question 298110: (3+2i) + (6-4i)
Click here to see answer by Alan3354(30993)

Question 298116: x-25 divided by the square root of x -5?
Click here to see answer by solver91311(16897)

Question 298104: Square root of negative 9 times the square root of negative 100
Click here to see answer by edjones(7569)

Question 298175: x+1+sqrt(x+4)=9
once I isolate the radical I end up with x+4=(8-X)(8-x) WHat do I do next.

Click here to see answer by nerdybill(6963)

Question 298175: x+1+sqrt(x+4)=9
once I isolate the radical I end up with x+4=(8-X)(8-x) WHat do I do next.

Click here to see answer by MathTherapy(1430)

Question 298199: how can i work out the length, height and width of a cube when i only have the volume (48cm3)? i have used the calculator's cube root function. But is there a more practical working out.
Click here to see answer by Edwin McCravy(8924)

Question 298755: √x+6 + √2-x = 4
Click here to see answer by Edwin McCravy(8924)

Question 298714: sqrt(3y+7)=5
Click here to see answer by user_dude2008(1861)

Question 299471: sqrt(10x^2-5)=3x

Click here to see answer by checkley77(12569)

Question 299569: square root of 45 plus square root of 5
Click here to see answer by jim_thompson5910(28598)

Question 299784: what is the simplified radical of 1/2 square root of 112?
Click here to see answer by Alan3354(30993)

Question 299792: 1-5 multiplied by 2/3 then there is a cubed root with -1/8-6 inside of the root. How do I solve this!?
Click here to see answer by stanbon(57424)

Question 299930: i need help with this problem:
2x^2+7x+5 divided by the square root of 4x^2+20x+25?
Click here to see answer by ankor@dixie-net.com(15667)

Question 299979: What is two times the square root of thirteen squared?
Click here to see answer by JBarnum(2044)

Question 300159: I have tried to solve this I need help(2sqrt(2 ) -4sqrt6)(4sqrt(2) +8sqrt(6))
Click here to see answer by Alan3354(30993)

Question 300266: solve for x
(x-3)(X-1)=0

Click here to see answer by richwmiller(9143)

Question 300268: solve for x
(x-3)(X-1)=0

Click here to see answer by richwmiller(9143)

Question 300459: how do you solve for x in this equation. i got it down to 7 square root equals 21.
Heres the question
7 squareroot x - 21= 0
Click here to see answer by Alan3354(30993)

Question 300508: How do I figure out 2 divided by the square root of 3 plus the square root of 6?
Click here to see answer by junit_2010(2)

Question 300598: what is the 27/p^2 rooted
Click here to see answer by Alan3354(30993)

Question 300594: what is the square root of 27/p^2 ?
Click here to see answer by Alan3354(30993)

Question 300619: it would be greatly appreaciated if i can get help with this monsterous problem...:) bellow is the following problem
the square root of 9 x^3 y^4 z^5 then divided by square root of 12 x^2 y^6
Click here to see answer by Alan3354(30993)

Question 300660: what is 2^7*(7^2*0)=
Click here to see answer by helpnalgebra(91)

Question 300701: square root of three divided by 1 plus the square root of three equals
Click here to see answer by Fombitz(13828)

Question 300751: 3 square root of -27/x^12
Click here to see answer by Fombitz(13828)

Question 300840: 2sqrt3(sqrt3+1)
Click here to see answer by nyc_function(2733)

Question 300893: ( r - 3 )^2 = 196 solve by square root. Please help me !
Click here to see answer by Alan3354(30993)

Question 301259: what is the square root of 6+2/3 ?

Click here to see answer by Alan3354(30993)

Question 301255: Square root 2x+7= Square root 5x-8
Click here to see answer by checkley77(12569)

Question 301307: 20x^2-82x+80=0

Click here to see answer by Earlsdon(6291)

Question 301586: (√3x+10)= x solve for x
Click here to see answer by nyc_function(2733)

Question 301851: 3 1/6 x 9/11 6/17 =? I have 19/6 x 9/11 x 6/17 = 19x9x6/1122=1026/1122=171/187. Is this correct or where did I go wrong?
Click here to see answer by stanbon(57424)

Question 302080: f(x)=square root 4-6x Please explain step by step
Click here to see answer by Alan3354(30993)

Question 302443: 2b to the 2 power -15b -7 =0
Click here to see answer by richwmiller(9143)

Question 303071: I need help solving this problem.
20sqrt symbol with 273+70 inside of symbol
Click here to see answer by mananth(12270)

Question 303139: the square root of 200x^3y/ the square root of 2xy^5
Click here to see answer by ankor@dixie-net.com(15667)

Question 303086:
Click here to see answer by Fombitz(13828)

Question 303274: n-2= square roots of 68-4n
Click here to see answer by london maths tutor(243)

Question 303272: solve the equation by any method
x to the 2 minus 6x-72=0
Click here to see answer by Fombitz(13828)

Question 303448: solve this equation for the r. V= 1/3 pi r^3
Click here to see answer by mananth(12270)

Question 303447: how do you simplify (9x^-4y^2) ^-1/2
Click here to see answer by mananth(12270)

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