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

Tutors Answer Your Questions about Radicals (FREE)

Question 484929: Simplify. the cube root of -1/8
Click here to see answer by Tatiana_Stebko(1539)

Question 484868: Write the following as a radical and do not simplify
(-27)^4/3
Click here to see answer by Tatiana_Stebko(1539)

Question 485292: how could i solve 12 divided by the square root of 2 ? or x divivded by the square root of 3 = 5 times the square root of 3?
Click here to see answer by mananth(16946)

Question 485235: Multiply. {(2 sqrt 2)-(4 sqrt 7)}{(4 sqrt 2)+(8 sqrt 7)}
Click here to see answer by lwsshak3(11628)

Question 485317: the square rootof 2x^3y times the square root of 12xy

Click here to see answer by Tatiana_Stebko(1539)

Question 485462: The period of time the pirate ship ride at a carnival takes to complete one cycle swinging to and fro is represented by the formula below for L feet long and T seconds. Find to the nearest hundredth of a second the period of time it takes the ride to swing one cycle if the ride hangs 200 feet.

Click here to see answer by Alan3354(69443)

Question 485459: When fighting a fire, the velocity v of water being pumped into the air is modeled by the function , where h represents the maximum height of the water and g represents the acceleration due to gravity (32 ft/s2).
Solve the function for h.

I believe the function is V = sqrt 2hg, h is max height of water and g is acceleration due to gravity (32ft/s^2).
I am also having trouble with this.
Click here to see answer by richard1234(7193)

Question 486423: Multiply
(sqrt2)(-9sqrt2+5)
Click here to see answer by Tatiana_Stebko(1539)

Question 486470: A baseball diamond is a square. The distance between consecutive bases is 90 feet. How far does a catcher have to throw the ball to get from home plate to second base? Round answer to the nearest whole number. Pythagorean Theorem should be used.
Click here to see answer by MathLover1(20849)

Question 486580: This problem involves using substitution
16x-8y=48
-2x+y=6
I came up with 0=176, Is that correct?
Click here to see answer by MathLover1(20849)

Question 486641: find the opposite and reciprocal of this number? root 3

Click here to see answer by solver91311(24713)

Question 486948: REALLY NEED HELP IMMEDIATELY!!!
The velocity of v of a roller coaster in feet per second at the bottom of a hill is v=squareroot-64h
Where h is the height of the hill in feet.
1A simplify the equation
1B determine the velocity of a roller coaster at the bottom of a 134-foot hill.
Click here to see answer by jim_thompson5910(35256)

Question 487008: IMMEDIATE HELP PLEASE!!!!! SERIOUSLY!!! PLEASE HELP ME NOW BECAUSE TIME IS RUNNING OUT!!!!!
When fighting a fire, the velocity v of water being pumped into the air is modeled by the FUNCTION V=squareroot 2hg, where h represents the maximum height of the water and g represents the acceleration due to gravity (32 ft/s^2)
1A -PLEASE SOLVE FOR H
1B- The Babylon Fire Department mus purchase a pump that will propel water 80ft into the air. Will a pump that is advertised to project water with velocity of 70ft per second meet the fire departments need? EXPLAIN.
Click here to see answer by josmiceli(19441)

Question 487069: Add. Simplify by collecting like radical terms if possible, assuming that all expressions under radicals represent nonnegative numbers √(2a)+2√(18a^3)
Click here to see answer by Tatiana_Stebko(1539)

Question 487175: Simplify radical expression:
3√15+√35
Click here to see answer by jorel1380(3719)

Question 487734: How would you put this into radical form: (8x)2/3.

Click here to see answer by Theo(13342)

Question 487718: Solve for w , where w is a real number.

radical 3w+4 = radical 7w-12
sorry i do not know how to write it out with the symbol.
please help with this!! thank you in advance!
Click here to see answer by MathLover1(20849)

Question 488552: I am trying to help my son with his algebra and I have run into a problem that I can't figure out. The problem is as follows:
Multiply and then simplify by factoring
√x √2x √10x^5
(just in case they don't appear correctly they are: sqrt x sqrt 2x sqrt 10x^5)
If someone could please explain the steps, I would appreciate it and it would keep me from having to post again :)
Click here to see answer by Theo(13342)

Question 488989: Simplify by taking roots of the numerator and denominator. Assume all variables represent positive numbers. √16/y^2 =
Click here to see answer by chessace(471)

Question 489248: what is the sqrt of 300
Click here to see answer by rfer(16322)

Question 489551: What is the relationship between indexes and fractional exponents?
Click here to see answer by chessace(471)

Question 490260: I'm trying to understand how to simplify this fraction with radicals

square root of 540
-------------------
3 square root of 5

I know the answer is 2 square root of 3
I have tried multiplying it by the denominator

Click here to see answer by Earlsdon(6294)

Question 490467: √(48x^3y^2)/√(4xy^3)
Square root of 48x^3y^2 divided by the square root of 4xy^3
Click here to see answer by stanbon(75887)

Question 489406: 1 minus radical3 all divided by 3radical2 minus radical6.

I am trying to rationalize the denominator and am totally lost. Will somebody please send me step by step directions and a final answer please? Thank you!
Click here to see answer by lwsshak3(11628)

Question 485527: Use rational exponents to write x1/6*y1/4*z1/9 as a single radical expression?
Click here to see answer by lwsshak3(11628)

Question 485164: Write the following expression as a radical and simplify if possible.
(-64)^4/3
Click here to see answer by lwsshak3(11628)

Question 485160: It says to write the following as a radical and simplify is possible.
16^3/2
Click here to see answer by lwsshak3(11628)

Question 490594: How do I make the square root & cubed root symbol for this website? I've tried everything I can think of, and none of them come out right.
Thank you.
Click here to see answer by Alan3354(69443)

Question 490643: Im trying to solve for y
y * 2 + sqroot (3) = 5 + sqroot (3)
So far I have isolated y and end up with the fraction of
5 + sqroot (3)
--------------
2 + sqroot (3)
I dont know how to solve the rest.
I know the answer is 7 - 3 sqroot(3)
So maybe Im just using the wrong technique to solve it?
Thanks in Advance
Click here to see answer by MathLover1(20849)

Question 490645: find the following assume that x can represent any real number. use absulute value notation when neccessary.

√x^2-14x+49=
i came up with the amswer 7 is that correct?
Click here to see answer by jim_thompson5910(35256)

Question 490909: I am trying to solve this equation, will u help me out, with the work shown?...the sq root of (x plus 18) minus the sq root of (x minus 2) equals 2.
Click here to see answer by Alan3354(69443)

Question 491135: I am having radicals troubles. The problem I have is:
14/3-sqrt (7)
I hope you understand how I worte it. Thank you for the help.
Click here to see answer by mananth(16946)

Question 491137: I have no idea how to solve this problem:
(5sqrt(10))(2squrt(6))/sqrt(8)
Thank you!
Click here to see answer by Alan3354(69443)

Question 491382: how do i solve √23 to simplified radical form when 23 is a prime number?
Click here to see answer by Alan3354(69443)

Question 491637: (srqt)11 divided by (sqrt)5 =
Click here to see answer by stanbon(75887)

Question 491664: Evaluate the given expression, or indicate that the root is not a real number.
(cubed root)- 1/216 =
Click here to see answer by stanbon(75887)

Question 491777: hi i really need help with finding out or to show me a demo of this algebra question, the distance between the two points. (-2,-6) and (13, -26)
Click here to see answer by Alan3354(69443)

Question 491843: please simplify
(squrt(x)-7)/(x-49)
Click here to see answer by ptth176(50)

Question 491634: (sqrt)400 - (sqrt)289 =
Click here to see answer by ptth176(50)

Question 492037: can you please help me answer the problem ? thank you!
Click here to see answer by Theo(13342)

Question 492173: Simplify. Remember to use absolute-value notation when necessary. If a root cannot be simplified, state this.
12√(-10)^12

Can I please get some help, thanks.
Click here to see answer by chessace(471)

Question 492182: Please show how to solve and check:
sqrt(120)+sqrt(25)
Click here to see answer by chessace(471)

Question 492558: Hey,
I'm not sure how to solve the following - please help:
"using the fact that -2 and 1/3 are zeros of the polynomial (x)=3x^4+5x^3+x^2+5x-2, find the other two zeros."
Thanks! Cramming for huge nasty final whilst caring for a crazy toddler!
Click here to see answer by Edwin McCravy(20055)

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