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

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Algebra: Square root, cubic root, N-th root

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Question 223222: Write cube route of 16 in the form 2 to the k, k E Q
Click here to see answer by Edwin McCravy(2922)

Question 223215: please help me solve simplify:
Click here to see answer by drj(1380)

Question 223215: please help me solve simplify:
Click here to see answer by MathTherapy(336)

Question 223354: What is the derivative of a + 15 over the square root of a?
Click here to see answer by stanbon(26297)

Question 224648: I need help with this equation:
Between what two consecutive integers is each square root?
√28= 5.29 i solved the square of that but I'm stuck on the two consecutive integers.
Thanks
Click here to see answer by checkley77(7072)

Question 224795: What is the square root of (3 x 180 x 270), how do do you work it out without a calculator??
Click here to see answer by Alan3354(6097)

Question 225122:
Click here to see answer by checkley77(7072)

Question 225115: how do you combine the square root of x times the square root of x?
Click here to see answer by checkley77(7072)

Question 225140:
Click here to see answer by LtAurora(115)

Question 225166:
Click here to see answer by LtAurora(115)

Question 225244: -2t^2*2t^3
Click here to see answer by chibisan(120)

Question 225353: Rationalize the denominator

______2____
√[3] + √[2]

Click here to see answer by jsmallt9(594)

Question 226228: Trying to help my friend with his algebra, and I'm stumped as to what they're going for on this one:
Explain why:

is true for two different ways.
a) Provide two numerical values.
b) Show that is it true in general.

Click here to see answer by jim_thompson5910(13794)

Question 226374: The problem is :

(16/9)
to the half power

ANd this problem is in parenthesis. That is how it was written and it is to the 1/2 power.
PLEASE Show me step by step. I have no clue. I need this before class so I hope you know how to show me this. THANKS !! Kristy
Click here to see answer by Theo(675)

Question 226463: Please help me solve this this equation:
"Solve by the square root property"
x^2-100=0
Click here to see answer by jim_thompson5910(13794)

Question 226557: Solve by using square root property:
(8x-3)^2=25
Click here to see answer by jim_thompson5910(13794)

Question 226723: The Directions State:
the formula for the perimeter of a square is P = 4s, where s is the length of a side. Find the perimeter of the square.
The Question Is:
Area= 25 square feet

What I Tried:
i tried to multiply 5 and 4 but the sides have to be the same, i also tried to do 25 divide a by 4 but it didn't work out to well either. Please help explain how to solve this question.
Click here to see answer by rfer(2688)

Question 226362: Wark’s (W) age equals Peter’s (P) age plus the cube root of Ian’s (I) age. P’s age equals I’s age plus the cube root of W’s age, plus 14 years.
I’s age equals the cube root of W’s age plus the square root of P’s age.
What is the age of each ???

Click here to see answer by ankor@dixie-net.com(6693)

Question 227037: I am supposed to solve:
sqrt y+1 -4=2
The answer y=5? I don't think that's right.
Click here to see answer by galixy(3)

Question 227034: I am supposed to use the laws of exponents to simplify:
3^3/4 *3^3/8
Do I add the exponents to come up with 6/12, then simplify that to 1/2, so the answer is 3^1/2?
Click here to see answer by jsmallt9(594)

Question 227242: what is the square root of y^10
Click here to see answer by rfer(2688)

Question 227536: I am supposed to divide and then simplify by taking roots if possible. It is a cubed root fraction:
cube root 3 sqrt 875 divided by cube root 3 sqrt 7
I cannot find a number that equals 875 or 7 when multiplied by itself 3 times. Please help?
Click here to see answer by Alan3354(6097)

Question 228111: 1. Please help Simplify 2/(sqrt(20))
2. The simplfied version of sqrt(24/36) is sqrt(6)/6. true or false
Click here to see answer by jsmallt9(594)

Question 228356: the problem is sqrt 242 over sqrt 2, i got sqrt 484 over 2, do i have to do anything else ?
Click here to see answer by checkley77(7072)

Question 228457: 5SqrtX2+2x=-1
Click here to see answer by rapaljer(3622)

Question 228645: I want to know how to solve this step by step. The Cube root of
((x^2y^6)/(2x^5))
Please Help Thank you.
Click here to see answer by nerdybill(2448)

Question 228671: A=2500(1+0.046)30
How do I work the Little #30? I can get this far.
A=2,500(1.046)30
Click here to see answer by jim_thompson5910(13794)

Question 228592: Please Please help.
sqrt y-25=5 y=?
9 3/2 write without exponents
3 sqrt -125
3 sqrt 375
Click here to see answer by jim_thompson5910(13794)

Question 228591: Can someone please please help me with these questions. I am preparing for a quiz on Monday.
1) z sqrt 80zu^2 - u sqrt 5z^3
2) sqrt z +16 = sqrt 7z+12
3) sqrt -6w+16=w
4) sqrt 10+8 / -5 sqrt 10+1
Thank you in advance
Click here to see answer by ankor@dixie-net.com(6693)

Question 228692: solve sqrt x + 5 = sqrt x^2 - 15
Click here to see answer by rapaljer(3622)

Question 228758: How do you work out 2x=3rd root of 32 over 8?
I can't work out how you get the 3rd root without it being a mad decimal and it's awful!! My test on this is coming up too!
Click here to see answer by rapaljer(3622)

Question 228900: I have to solve an square root without a calculator. It has to be in a(square root symbol) b. Help please!

Click here to see answer by rapaljer(3622)

Question 228981: What is x when (2x-3)is to the power of 2 and equals twenty five?
Click here to see answer by chibisan(120)

Question 229000: HELP! I am new at this square root thing. I am not sure how I enter the 'square root' symbol. I will try putting the sqrt(?) for the symbol ok?
I am supposed to multiply and simplify my answer as much as possible.
(3sqrt(?)5-8sqrt(?)3)(8sqrt(?)3-6sqrt(?)5)
Does this make any sense to anyone at all, I really need help with these please??!!!
Click here to see answer by josmiceli(3013)

Question 229024: OK here is my last one another square root question and it is a fraction also.
sqrt(?) _77_
sqrt(?) 33
They are both to the square root and it is 77 over 33 in a fraction. Am I close at all when I say 3.66? Probably not right?? Help please.

Click here to see answer by checkley77(7072)

Question 229035: One more and that it it I promise.
Simplify:
(-27x9)1/3
The 9 is a 'to the power number' and the 1/3 is a fraction and 'to the power number.' Will someone please help me.
Click here to see answer by stanbon(26297)

Question 229099: find the value of x in the equqation 2square root of X + 20 = 15 + 3 square root of X
Click here to see answer by jsmallt9(594)

Question 229372: 3 square roots of x^12
Click here to see answer by checkley77(7072)

Question 229423: Help please 3 sqrt(?)w+1=6 Would the answer be 2 by any chance at all???
Click here to see answer by Alan3354(6097)

Question 229435: Find b2 - 4ac and the number of real solutions to each
equation. -3x2 + 7x = 0
The 2 next to the x is a to the power 2. I have no idea where to start for this problem how do I find b2 - ac, I do not understand anything it is saying in the readings either. Can someone please explain this to me in plain ole English???

Click here to see answer by stanbon(26297)

Question 229656: How do I simply the square root of 89?
Click here to see answer by Alan3354(6097)

Question 229813: -9 * the square root of 25,
2* the square root of 100 - 1
Click here to see answer by ly12603(33)

Question 230219: the width of a rectangular playground is 2x-5 ft, and the length is 3x-9 ft. Write a polynomial P(x) that represents the perimeter and then evaluate this perimeter polynomial if x is 4 ft
Click here to see answer by rapaljer(3622)

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