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

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Question 288137: Use the product rule to multiply. Then simplify if possible. Assume al varibles represent positive numbers.
sqrt x/7 x sqrt y/10
Click here to see answer by user_dude2008(1861)

Question 288200: Simplify. 7x√ [ (x + y)3] – 5x2√(x + y)
The last question of the day, my day anyway!! I come up with 2 different answers and they both seem too long. Can you help?
Cynthia
Click here to see answer by richwmiller(9135)

Question 288111: I'm having trouble understanding "fi." Please help me solve SQRT 5 + 1/2 = 2/SQRT 5 - 1. Thanks.
Click here to see answer by Alan3354(30993)

Question 288382: write √45 in the form k√5, where k is an integer
Click here to see answer by jim_thompson5910(28593)

Question 288512: square root of 5/9 x the square root of 9/5 (to be simpilfied)
Click here to see answer by Alan3354(30993)

Question 288542: so i was doing my geometry homework and i am almost done with my answer though i need to find what is the square root of 68.78 cubic to find the radius of a circle however,i dont have a graphing or algebra calculator what is the answer to this or how can i find the answer?
Click here to see answer by scott8148(6628)

Question 288713: I need to simplify this. Can you help me?

Click here to see answer by Fombitz(13828)

Question 288986: square root of 27 over p squared

Click here to see answer by mananth(12270)

Question 289104: square root of 14 over the square root of 3

Click here to see answer by CharlesG2(828)

Question 289104: square root of 14 over the square root of 3

Click here to see answer by stanbon(57307)

Question 289104: square root of 14 over the square root of 3

Click here to see answer by dabanfield(803)

Question 289588: can you explain to me how to solve the problem: N-th root 5 square root 64x^6y^21?? i'm supposed to simplify by factoring and assume that all variables in a radicand represent positive real numbers and no radicands raised to even powers.
Click here to see answer by richwmiller(9135)

Question 289975: square root of 3 * square root of 9 to the 3rd power.
square root 3 times 3 inside the square root of 9
3^1/3 times 9^1/3
Click here to see answer by richwmiller(9135)

Question 290009: I need to simplify this; can you help me please? Thank you
8-2

Click here to see answer by jsmallt9(3296)

Question 289614: Find the average rate of change for the function over the given interval.
y=sqrt2x-1 between x=1 x=5
Answer is 1/2
Click here to see answer by jsmallt9(3296)

Question 290114: How do I solve for:
a) 5 + sqrt. x = 15
b) 2 sqrt. x + 1 = sqrt. x - 5
Click here to see answer by alegriajoy33(14)

Question 290394: How would I do these? (Sorry, long question.)
Simplify and rationalize the denominator where enccessary (assume x > 0).
a) sqrt. 16,000
Click here to see answer by richwmiller(9135)

Question 290326: the cube of a number added to the sum of three times the number and 9 is a prime number

Click here to see answer by ankor@dixie-net.com(15649)

Question 290620: Perform the indicated operations.
(square root of -15 times square root of -5) divided by square root of 3
Click here to see answer by user_dude2008(1861)

Question 290792: I need to know how to simplify the square root of 300/50. 50 is not a square root it is just under the square root like a fraction. I do not know how to show the problem exactly. The original problem is using x=-b +_ square root of b2-4ac/2a I have got this far but just need help simplifying. Thank you.
Jessica
Click here to see answer by College Student(505)

Question 290801: How do I figure this out.
Simplify by factoring
square root of 600x^4
Click here to see answer by richwmiller(9135)

Question 290829: Use square root property to solve the equation.
w^2-17=0
Click here to see answer by checkley77(12569)

Question 290987: what does it mean to refer to a 20-in tv or a 25-in tv set? such units refer to the diagonal of the screen. A 25-in tv set also has a width of 20 inches. What is its height of a 25 inch tv?
Click here to see answer by richwmiller(9135)

Question 291141: root of -8 / x, the problem has a little 3 in front of the root sign. I need to rationalize the denominator.
Click here to see answer by Edwin McCravy(8908)

Question 291203: I really need help with these two problems. Thank you in advance.
Simplify and rationalize the denominator where necessary.
a)
b) (Note: the + is supposed to be part of the denominator but I couldn't get it to go under the line; hope your still able to figure it out.)

Click here to see answer by Alan3354(30993)

Question 291189: Simplify

I need help with this. Thanks
Click here to see answer by Fombitz(13828)

Question 291445: what is the square root of 108b with b to the 4th power
Click here to see answer by tonx_360(1)

Question 291380: This is kind of a long one (three different parts) but I appreciate the help!
Multiply and simplify.
a)
b)
c)
Click here to see answer by ankor@dixie-net.com(15649)

Question 291621: Hello! please help me in the following. I'll be grateful to you! thanks tutor..
Simplify the following and perform the operations indicated:
Q.1) 5* the sq rt of 5*2* sq rt of 3 divide by the sq rt of 45 * sq rt of 21.
Please help to achieve success in this topic as i love maths and top up in maths!
Click here to see answer by richwmiller(9135)

Question 291655: Can you find the length of the missing side of the right triangle. Round to three decimal places, if necessary.
a = 10, b = 24

Click here to see answer by Alan3354(30993)

Question 291684: what is the square root of 108 divided by the square root of 3
Click here to see answer by stanbon(57307)

Question 291684: what is the square root of 108 divided by the square root of 3
Click here to see answer by richwmiller(9135)

Question 291652: Express in terms of i.
-√-297

Click here to see answer by Fombitz(13828)

Question 291716: what are the roots of the equation x^2-7+6=0
Click here to see answer by JBarnum(2044)

Question 291981: how do you simplify the square root of 48 +(plus) the square root of 108
Click here to see answer by nyc_function(2733)

Question 292103: Square root property.
x2 (x squares) = 7x

Click here to see answer by Alan3354(30993)

Question 292141: square root of 16a^20
Click here to see answer by Earlsdon(6287)

Question 292189: Solve.
a)
b)
Can you help me solve these?
Thank you
Click here to see answer by Fombitz(13828)

Question 292203: EXPRESS THE MEASURE 0.00627 IN SCIENTIFIC NOTATION
Click here to see answer by bcampbell23669(14)

Question 292261: Factor completely. If the polynomial is prime, state this.
x3 + 3x2 - 28x
Click here to see answer by Alan3354(30993)

Question 292291: How can you type in the square root of something?
Click here to see answer by richwmiller(9135)

Question 292471: how do i simplify this?
2 (times the square root of) 8

Click here to see answer by richwmiller(9135)

Question 292562: Multiply. Assume that all variables represent nonnegative real numbers.
(sqrt 7a + sqrt b )^2
Click here to see answer by jim_thompson5910(28593)

Question 292621: Hello! I submitted this question a few days ago but never got a response, so I figured I would try submitting it again. I'm aware that I should probably already know the answer to this but I dont. I really hope you can help me, because I'm stuck.
The quotient rule for square roots states:____________________________________.
Click here to see answer by Alan3354(30993)

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