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

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Question 377674: In a right triangle the lengths of the legs are 5 ft and 12 ft. Find the length of the hypotenuse.
Click here to see answer by Alan3354(69443)

Question 377675: solve for x: the square root of x + 7 = x - 5.
Click here to see answer by Fombitz(32388)

Question 377675: solve for x: the square root of x + 7 = x - 5.
Click here to see answer by stanbon(75887)

Question 377673: a 10 foot ladder is leaning against a house. The bottom of the ladder is 5 feet from the building. how high is the top of the ladder? round to the nearest hundredth.
Click here to see answer by ewatrrr(24785)

Question 377975: The question is :
For i = the square root of -1, if 3i (2 + 5i) = x + 6i, then x = ?
I came up with x = 15, however, the test answer says x = -15. I am confused...how can you get the square root of a negative # and it be a negative #?
Click here to see answer by richard1234(7193)

Question 377947: Simplify by factoring: square root x^18
I think the answer is x^9 but I am only half sure!
THANKS!!
Click here to see answer by jsmallt9(3758)

Question 378117: square root of (x+4)+4=square root of x+20

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Question 378120: square root of (x+4)+4=square root of x+20
only x+4 and x+20 is square root
Click here to see answer by mananth(16946)

Question 378120: square root of (x+4)+4=square root of x+20
only x+4 and x+20 is square root
Click here to see answer by jsmallt9(3758)

Question 378139: what is another form of writing this without the square root symbol,please?
Click here to see answer by Fombitz(32388)

Question 378254: 4th square root of 6561
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Question 378625: can you please help me with my math question? what is the i am trying to figure out how to do it.
Click here to see answer by Alan3354(69443)

Question 378932: In an office building, a room contains 48 chairs. The number of chairs per row is 10 less than twice the number of rows. find the number of rows.
Thanks!
Click here to see answer by vleith(2983)

Question 379007: I am trying to find out how to simplify and factor the expression under the radical which is the radicand of 284m^23
Click here to see answer by Fombitz(32388)

Question 379066: 10 to the square root it being -24
10 to the negative root it being -28
Click here to see answer by Alan3354(69443)

Question 378931: Set up an equation and solve the problem:
The sum of the ares of two squares is 4,477 square inches. Each side of the larger square is 6 times the length of a side of the smaller square. Find the length of a side of the smaller square.
Thanks in advance!
Click here to see answer by ankor@dixie-net.com(22740)

Question 379448: I am not sure if i simplified by factoring
the radical expression of 320.
I came up with √320 = √(4 x 80 ) = 2√(80)
Click here to see answer by Alan3354(69443)

Question 379520: solve for x where x is real number.
((square root of 7x+12)= ((square root of 2x+8))
Click here to see answer by Fombitz(32388)

Question 379614: An inlet pipe can fill a tank in 8 minutes. A drain can empty the tank in 12 mintes. If the tank is empty and both the pipe and drain are open, how long will it take before the tank overflows?
Thanks!
Click here to see answer by nerdybill(7384)

Question 379693: can you solve 5y^2-12=2y^2
Click here to see answer by ewatrrr(24785)

Question 379918: Solve for x: x+4=4 sqrt(x+1)
I am pretty sure the answer is -4/5 but I need to verify that I am correct and that I am doing it correctly. Any help is good help!
Thanks!
Click here to see answer by user_dude2008(1862)

Question 379934: Is checking essential when the principle of powers is used with an odd power n?
(text book)
Click here to see answer by jim_thompson5910(35256)

Question 380384: Find the indicated real nth root(s) of a. n = 5, a = 3125

Click here to see answer by robertb(5830)

Question 380204: The Square Root 14 + The Square Root of 14 (answer in radical form)
Click here to see answer by Fombitz(32388)

Question 380825: Write a quadratic equation in which the coefficients are integers, and the solutions are 1/3 and -3.

Click here to see answer by robertb(5830)

Question 380883: Simplify the following: square root of 121x^2 divided by 144x^12
Click here to see answer by mananth(16946)

Question 380884: Multiply and simplify the following: (3+2sqrt7)(6-5sqrt7)
Click here to see answer by mananth(16946)

Question 380886: Solve the following for x: 5+sqrt3x=17
Click here to see answer by mananth(16946)

Question 381008: ye olde candy shoppe wants to make a candy mixture with gummy bears and gumdrops. Gummy bears cost $3.25 per pound, and gumdrops cost $4.25 per pound. If Ye olde candy shoppe wishes to make a 60-pound batch which costs $3.70 per pound, how many pounds of each type of candy are needed?
Click here to see answer by stanbon(75887)

Question 381154: why does a negative sign have to be in front of a square root to make it true....
Click here to see answer by rfer(16322)

Question 381510: How do you add and subtract square roots when the square roots are not the same number?
Click here to see answer by Fombitz(32388)

Question 381639: simplify. assume that the expression under the radical represents a nonnegative real number. square root of z^2 + 12z + 36
Click here to see answer by Fombitz(32388)

Question 381719: what is the square root of 2x^2 + 3 square root 72x^2 + 7 square root of 72x^2
Click here to see answer by ewatrrr(24785)

Question 382368: Solve the equation.
Sqrt(x^2 - 24) = Sqrt(x + 6)
I am lost on this one.
I came up with no solution..not sure if its right.
Click here to see answer by jsmallt9(3758)

Question 382492: Why can't square roots be negative?
Click here to see answer by jsmallt9(3758)

Question 382492: Why can't square roots be negative?
Click here to see answer by richard1234(7193)

Question 382961: Multiply, and simplify if possible.
"V" is a square root
(V7+8)(V7-4)
Click here to see answer by Fombitz(32388)

Question 382964: Multiply, and simplify if possible.

sqrt(7+8) sqrt(7-4)
Click here to see answer by Fombitz(32388)

Question 383083: 4 square root 8
I don't understand how this is simplified into 8 square root 2. Please explain. Thank you!
Click here to see answer by ankor@dixie-net.com(22740)

Question 383421: f(x)=3 square root of x+1
Click here to see answer by Alan3354(69443)

Question 383420: f(x)=square root of x-2
Click here to see answer by solver91311(24713)

Question 383431: Solve the equation.
the square root + 5 = 5
Click here to see answer by Fombitz(32388)

Question 384577: Please help me solve
4-x/x-2=-2/x-2
Click here to see answer by robertb(5830)

Question 384671: (square root of 2x) plus 1 equals x minus three solve for x
Click here to see answer by edjones(8007)

Question 384837: Solve the following for z: sqrt 3x-2y=sqrt z+2
Click here to see answer by stanbon(75887)

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