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

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Question 54504: I am stuck on correct answer for:
If Y = 2X and 3X - 3Y = 2, then X =

I am not using any specific book. I am just practicing...
Click here to see answer by checkley71(8403)

Question 54505: I am stuck on correct answer for:
(3 x 10^2) x (2 x 10^-3) = =

I am not using any specific book. I am just practicing...
Click here to see answer by Nate(3500)

Question 54501: I am stuck on correct answer for:
X-1 over 2X TIMES X over X^2 - 1 =

I am not using any specific book. I am just practicing...
Click here to see answer by Nate(3500)

Question 54497: I am stuck on correct answer for:
if 7 - sq. root of x = 4, then x =

I am not using any specific book. I am just practicing...
Click here to see answer by Nate(3500)

Question 54498: I am stuck on correct answer for:
(y^2 - 4y + 3) - (4y^2 + 5Y - 2) =

I am not using any specific book. I am just practicing...
Click here to see answer by Nate(3500)

Question 54608: The square root of 42 to the nearest hundredth
My answer is 6.48 is this correct? I was unsure how to place it at the nearest hundreth
Click here to see answer by tutorcecilia(2152)

Question 54744: I am stuck on correct answer for:
if the width of a rectangle is one-third of its length and its length is 12, what is the area of the rectangle?

I am not using any specific book. I am just practicing..
Click here to see answer by checkley71(8403)

Question 54743: I am stuck on correct answer for:
2 over P + P over P - 1 =
I am not using any specific book. I am just practicing..
Click here to see answer by funmath(2933)

Question 54741: I am stuck on correct answer for:
2 multiplied by the sq. root of 17 is a number between:
10 and 12
8 and 10
6 and 8
4 and 6
2 and 4
I believe the answer is between 2 and 4. What is correct answer to this?
I am not using any specific book. I am just practicing..
Click here to see answer by funmath(2933)

Question 54929: I have to find the inverse of g(x) = the square root of x -4
In order to find the inverse you switch the x and y.
x = square root of y - 4
I have to get the y by itself, so I squared both sides, leaving me with:
x^2 = y - 4
x^2 + 4 = y
Is this the final answer?
Click here to see answer by Earlsdon(6294)

Question 55250: Please help w/ the following:
Solve(3x+3)^2=16
Thank you.
Click here to see answer by funmath(2933)

Question 55437: Exercies in radicals. The problem asks for the fifth root of 147. How do we simplify or solve this expression? Thanks so much
Click here to see answer by funmath(2933)

Question 55500: what is the answer for this equasion 2 times the square root of 3 plus the square root of 6 times 3 times the square root of 3 minus the square root of six
Click here to see answer by Genius(17)

Question 55723: find indicated real nth root(s)of a
n=4,a=-16
Click here to see answer by funmath(2933)

Question 55722: Find indicated real nth root(s)of a
n=3,a=-1
Click here to see answer by funmath(2933)

Question 55721: Find idicated real nth root(s)of a
n=2,a=16
Click here to see answer by funmath(2933)

Question 56514: Please help me solve this equation:
sqrt(x)+sqrt(x-36)=2
This is what I have so far:
sqrt (x-36)= 2-sqrt(x)
(x-36)=4-4(-sqrt(x))+x
-40=-4(-sqrt(x))
-10=-sqrt(x)
100=-x
This does not check. Where did I go wrong?
Thank You so much.

Click here to see answer by funmath(2933)

Question 47843: Simplify. Assume that all variables represent positive numbers.

Click here to see answer by BGluvsmath(64)

Question 57227: Can you please help me with this problem? I am a little slow so you will need to break it down step by step. Thank you so much.
The square root of x^2 to the third power =9
Click here to see answer by stanbon(75887)

Question 57451: 6 minus 7 i / 3 plus i
6 - 7i divided by 3 + i
Adult student studying for ACT, trying to figure this stuff out. Thanks!
Click here to see answer by hehe(5)

Question 57451: 6 minus 7 i / 3 plus i
6 - 7i divided by 3 + i
Adult student studying for ACT, trying to figure this stuff out. Thanks!
Click here to see answer by venugopalramana(3286)

Question 57449: square root 45 minus square root 320.
I am studying for the ACT. I am adult student, age 43. Stuck on the square root. Thanks so much!
Click here to see answer by faceoff57(108)

Question 57482: the square root of 12 minus square root of 50 add square root of 72
Click here to see answer by funmath(2933)

Question 46386: Use a calculator to approximate check 42 to the nearest hundredth.

Click here to see answer by BGluvsmath(64)

Question 57982: 76. Square root of 6 / Square root of 7 * Square root of 14 / Square root of 3
\/6/\/7 *\/14/\/3
=\/6*14/7*3
=\/84/21
=\/4
=2
Click here to see answer by jaya_rohith1@yahoo.com(33)

Question 57980: Square root of 3 / Square root of 6 �1 - Square root of 3 / Square root of 6 + 1
\/3/\/6-1 - \/3/\/6+1
=\/3(1/\/6-1 - 1/\/6+1 )
=\/3(\/6+1-\/6+1_)/(\/6-1)(\/6+1)
=\/3(2/(6-1))
=\/3(2/5)
=2\/3/5
Click here to see answer by jaya_rohith1@yahoo.com(33)

Question 57981: 70. -Square root of xy / 3 square root of x + square root of xy
=-\/xy/3\/x+\/xy
=-\/x\/y/\/x(3+\/y)
=-\/y/(3+\/y)
Click here to see answer by jaya_rohith1@yahoo.com(33)

Question 58002: simplify: 49
i Where can I find this to figure out on my own ?
Click here to see answer by rcmcc(152)

Question 58709: The Modern Grocery has cashews that sell for $3.50 a pound and peanuts that sell for $2.25 a pound. How much of each must Albert, the grocer, mix to get 50 pounds of mixture that he can sell for $3.00 per pound. Express the problem as a system of linear equations and solve using the method of your choice to find the solution of the problem. (Identify your variables and show all work.)
I tried: PRICE 3.5c + 2.25p = 150
AMT c + p = 50
c- cashews p-peanuts
I got p- 9.09 lbs
C- 40.91 lbs
Click here to see answer by stanbon(75887)

Question 58708: 4y + square root 3 x = 8
3y + 4x = -6
Is there a solution - how do I graph this system? Please help.
Thanks
Click here to see answer by stanbon(75887)

Question 59008: what number is larger: a) sq rt of 7 or cube rt of 19. b) cube rt of 4 or 4th rt of 6. i really need some help with this.
Click here to see answer by stanbon(75887)

Question 59007: what number is larger: sq rt of 7 + sq rt of 10 or sq rt of 3 + sq rt of 19?
I just dont undertand this problem. I know you are supposed to factor if number is not a perfect sqaure but these are prime numbers. help me please!!
Click here to see answer by stanbon(75887)

Question 59228: Evaluate x^2y^3 / \/x^2 + y^2 when x = 6 and y = -8.

CANT SHOW ANY WORK ON THIS ONE CUZ I HAVE NO CLUE???
Click here to see answer by Cintchr(481)

Question 59301: 54^3
Click here to see answer by checkley71(8403)

Question 59425: _______
Simplify 3x^2y\/4x^4y^6.

Click here to see answer by uma(370)

Question 59529: Can someone please show me how to simplify this?
Square root 36x^5 (fifth power)
Thank you!
Click here to see answer by stanbon(75887)

Question 59528: I thought I had the right answer but it came back as wrong. Can someone please let me know how to work this?
1/square root 3 + square root 3
*I got 4/square root 3
Thanks!
Click here to see answer by stanbon(75887)

Question 59527: I need help simplifying this...I am totally stumped!
Square root 12x + 2(square root x) + square root 50x
Thanks so much!
Click here to see answer by Cintchr(481)

Question 59682: (rs)radical sign

(rs)180
My answer is 13.42 is this correct?
Click here to see answer by chitra(359)

Question 59682: (rs)radical sign

(rs)180
My answer is 13.42 is this correct?
Click here to see answer by praseena(37)

Question 59685: (rs) radical sign
(rs)4x+12 +4=0
Click here to see answer by chitra(359)

Question 59689: (rs) radical sign
simplify
(rs)75a^2/(rs)5
Click here to see answer by chitra(359)

Question 59689: (rs) radical sign
simplify
(rs)75a^2/(rs)5
Click here to see answer by gsmani_iyer(201)

Question 59687: (rs) radical sign
(rs)3*(rs)5
Click here to see answer by gsmani_iyer(201)

Question 59683: (rs)radical sign
10(rs)5x +3 (rs)5x
Click here to see answer by gsmani_iyer(201)

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