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

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Algebra: Radicals -- complicated equations involving roots

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Question 56104: Hello, please help. I tried to simplify the following equation and was unsuccessful.
a sqrt 8 -3sqrt 2a^2.
I'm thinking that it can not be simplified.
Click here to see answer by tutorcecilia(2042)

Question 56146: 1. 2 RADICAL 5 (3 RADICAL 2 + RADICAL 45 - 4 RADICAL 5 )

Click here to see answer by Cintchr(475)

Question 56143: the lenghs of a rectangleis twice the the width. the perimeter is 84 cm more than the width. make a digram and find the rectangle's dimensions.
Click here to see answer by ankor@dixie-net.com(6693)

Question 56124: What is 4+ the square root of 2x-5=x
Click here to see answer by ankor@dixie-net.com(6693)

Question 56493: hello, i am having an extreme difficult time with this radical stuff. Can you help me solve the following problem:
radical X+4 + radical X+ 20= 8
Click here to see answer by stanbon(26269)

Question 56523: Please help me solve this equation:
Click here to see answer by funmath(2873)

Question 56608: Could you please help me with my problem?
Solve the equation
square root x-2=1

Click here to see answer by checkley71(8405)

Question 56933This question is from textbook Beginning Algebra

: ((radical-sign)2y+7)+4=y
I come up with:
y*squared + 10y - 9This question is from textbook Beginning Algebra

Click here to see answer by stanbon(26269)

Question 56958: Explain similarities between radicals and rational exponent notation?
Click here to see answer by Edwin McCravy(2922)

Question 57106: 4 root 81 x 10 to the -4
Click here to see answer by tutorcecilia(2042)

Question 57146: need assistance with rationalizing denominators:
5/square root of 6 minus 2
Click here to see answer by tutorcecilia(2042)

Question 57167This question is from textbook Algebra I: An Incremental Development

: Having problems with square root equations; for example, 5{square root symbol}27 - 14{square root symbol}12 + 3{square root symbol}200 - 4{square root symbol}300 + 6{square root symbol}72. The only instructions provided were "Solve" I'm okay with initial reducing; for example, I can get 27 broken down into 3x3x3, 12 to 3x2x2, etc. but I don't really understand from there.This question is from textbook Algebra I: An Incremental Development

Click here to see answer by checkley71(8405)

Question 57204: For the equation x-2 times the square root of x = 0
Solve for all values of x that satisfies the equation.
Please break it down for me step by step. I am having such a hard time with this.
Click here to see answer by funmath(2873)

Question 57297: To Whom Ever Can Assist, Thank you....
The volume of a cube is given by V = s cubed, where "s" is the length of a side. Find the length of a side of a cube if the Volume is 1000 cm cubed.
I am lost, please provide an explanation to this question...SOS!!!
Click here to see answer by funmath(2873)

Question 57294: To Whom Ever Can Assist...Thank you
Question: For the function, y = 1/ x- 2.....
Give the y values for x = -2, -1, 0, 1, 2, 3.
Using these points, draw a curve
Click here to see answer by tutorcecilia(2042)

Question 57288: the square root of (b+3)= the square root of (2b-8)
Click here to see answer by funmath(2873)

Question 57296: To Whom Ever Can Assist...thank you.
For the equation x - 2 square root of x = 0, solve for all values of x that satisfies the equation.
Graph the functions y = x and y = 2 square root of x on the same graph,by plotting points if necessary. Show the points of intersection of these two graphs.
Click here to see answer by ankor@dixie-net.com(6693)

Question 57325: 6-\/20 over 2
How do I do this problem?
Thanks in advance!
ac
Click here to see answer by funmath(2873)

Question 57324: -9-\/108 over 3
(\/ is the radical sign)
Thanks for all your help...step by step help would help a lot!
CH
Click here to see answer by funmath(2873)

Question 57323: 18+(radical sign)\/567 over 9.
I ended up with 18+7\/3 times \/3
Is this correct! Any help would be great!
Thanks~
ac
Click here to see answer by funmath(2873)

Question 57474This question is from textbook Beginning Algebra

: 9(radical sign)6 minus 9(radical sign)2
\/-- will stand for the radical sign...
9\/--6 - 9\/--2 =
In my solution, which I know is wrong, I came up with 9\/--6 - 27\/--6 = 18\/--6.
Thanks.This question is from textbook Beginning Algebra

Click here to see answer by ChillyWiz(11)

Question 57477: I want to know if this problem is correct:
(y-2/3)^2 = 49
y - 2/3 = + or - Square root 2/3
If y - 2/3 = 2/3 then y = 4/3
If y - 2/3 = -2/3 then y = 0
Is this solution correct the way it is worked out?
Click here to see answer by rcmcc(152)

Question 57495: ok im really confused about the whole thing. i failed algebra last year now im trying to do it again this year but i dont get the word problems at all. for example "If I take a fourh of a number away from half the number, I get 10. What is the number?"
Click here to see answer by faceoff57(65)

Question 57615This question is from textbook Elementary & Intermediate Algebra

: Please, please help me solve this equation, I can't seem to figure it out:
This question is from textbook Elementary & Intermediate Algebra

Click here to see answer by faceoff57(65)

Question 57615This question is from textbook Elementary & Intermediate Algebra

: Please, please help me solve this equation, I can't seem to figure it out:
This question is from textbook Elementary & Intermediate Algebra

Click here to see answer by funmath(2873)

Question 57614This question is from textbook Elementary and Intermediate Algebra

: Please help me solve this equation, I keep coming up with the wrong answer:
This question is from textbook Elementary and Intermediate Algebra

Click here to see answer by funmath(2873)

Question 57858: \/x+4=3
This is what I did:
(\/x+4)^2=3^2
x+8=9
x=1
Is this correct or did I miss a step?
Thank you!
ac
Click here to see answer by funmath(2873)

Question 57903: I need some help to simplify the following radical completly as possible:
_________________
|
3| -27
\ | ----
\| 64

Thanks in advance!
Click here to see answer by funmath(2873)

Question 57919: hello. i need some help to simplyfy this problem as completly as possible...

____________________
|
\3 |36x^2 y^5 z^3
\ |

Thanks!

\ |
Click here to see answer by funmath(2873)

Question 57948: Find the area of the rectangle
(rs) radical sign
sides are
(rs)3+(rs)5
(rs)3+(rs)5
Click here to see answer by stanbon(26269)

Question 57949: (rs)radical sign
(rs)63-2(rs)28+5(rs)7
simplify by combining like terms
Click here to see answer by hayek(51)

Question 57947: Find the perimeter of the triangle
(radiical sign)5-(rs)3
4
(rs)5+(rs)3
are each of the sides
Click here to see answer by hayek(51)

Question 57993: Help me understand how to solve the following:
6x^2 - 5x = 50 ----------- (1)
2x^2+5x-12=0 ----------- (2)
(1)+ (2) implies
8x^2-12=50
8x^2=62
x^2=62/8=31/4
x^2=31/4
x=5.1/2

I am a homeschooling mom, trying to help my son. thank you.
Click here to see answer by jaya_rohith1@yahoo.com(33)

Question 57994: \/11x^3 * \/11x^5
=\/(11x^3*11x^5)
=\/11^2*x^8
=11x^4

Thank you very much.
Click here to see answer by jaya_rohith1@yahoo.com(33)

Question 57987: monster:
(\/11x - 7 \/5 ) ( \/ 11x - 7 \/ 7)
=11x-7\/77x-7\/55x+49\/35

parenthesis sqrt 11x - 7 sqrt 5 parenth... parenth.. sqrt 11x - 7 sqrt 7 parenth
thank you bunches!!!
Click here to see answer by jaya_rohith1@yahoo.com(33)

Question 58212: Perform indicated divisions, rationalize the denominator, then simplify
(rs)radical sign
18+(rs)567/9
Click here to see answer by checkley71(8405)

Question 58213: perform indicated multiplication and simplify
(rs)radical sign
(rs)13*(rs)5
Click here to see answer by funmath(2873)

Question 58210: Use property 1 to simplify all variables represent positive real numbers
(rs)radical sign
(rs)50
Click here to see answer by funmath(2873)

Question 58221: (rs)radical sign
Use the properties for radicals to simplify. All variables positive real numbers
(rs)5/3
Click here to see answer by checkley71(8405)

Question 58327: It says to simplify:
9\/(radical sign)2-\/8
Is this correct?
I got:
9\/2-\/4*2=9\/2-2\/2
7\/2
I appreciate your imput!
Thank you
CH
Click here to see answer by Nate(3495)

Question 58325: It says simplify:
5\/(radical sign)252
Did I do this right?
5\/7*36= 5*\/7*\/36=5*49*6
Click here to see answer by Nate(3495)

Question 58325: It says simplify:
5\/(radical sign)252
Did I do this right?
5\/7*36= 5*\/7*\/36=5*49*6
Click here to see answer by funmath(2873)

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