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

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Question 97580: Help me with this Question please???
+7sqrt%28+6+%29+++8sqrt%28+3+%29+-+sqrt%28+6+%29+

Click here to see answer by checkley71(8403) About Me 

Question 97577: Help please!
+3+sqrt%28+11+%29+ * +2+sqrt%28+11+%29+

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Question 97581: Please i need as much help as i can get!
+sqrt%28+14+%29+++sqrt%282%2F7+%29+

Click here to see answer by stanbon(57387) About Me 

Question 97483: I am having a little trouble with this problem.
Find the perimeter of the triangle.
Side 1 = 4
Side 2 = sqrt 5 - sqrt 3
Side 3 = sqrt 5 + sqrt 3
The perimeter would equal 4 + sqrt5 - sqrt3 + sqrt5 + sqrt3

Click here to see answer by elima(1433) About Me 

Question 97579: Help with this question please!!!
+sqrt%28+12x%5E2y+%29+/+sqrt%28+9n%5E6+%29+

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Question 97612: +sqrt%28+20+%29+ + +2sqrt%28+45+%29+
Click here to see answer by stanbon(57387) About Me 

Question 97610: (+2sqrt%28+6+%29+++7sqrt%28+3+%29+)(+2sqrt%28+6+%29+-+7sqrt%28+3+%29+)
Click here to see answer by mathslover(135) About Me 
Question 97610: (+2sqrt%28+6+%29+++7sqrt%28+3+%29+)(+2sqrt%28+6+%29+-+7sqrt%28+3+%29+)
Click here to see answer by stanbon(57387) About Me 

Question 97598: Please please please please help!!!!
+sqrt%28+3%2F13+%29+*+sqrt%28+26%2F21+%29+

Click here to see answer by checkley71(8403) About Me 

Question 97613: PLEASE HELP!!!!!
+sqrt%28+8+%29+ / +2sqrt%28+5+%29+++sqrt%28+6+%29+

Click here to see answer by mathslover(135) About Me 
Question 97613: PLEASE HELP!!!!!
+sqrt%28+8+%29+ / +2sqrt%28+5+%29+++sqrt%28+6+%29+

Click here to see answer by stanbon(57387) About Me 

Question 97624: HELP HELP HELP HELP ME PLEASE!!!!!
+sqrt%28+x-8+%29+ = x-10

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Question 97624: HELP HELP HELP HELP ME PLEASE!!!!!
+sqrt%28+x-8+%29+ = x-10

Click here to see answer by bucky(2189) About Me 

Question 97628: +sqrt%28+m+%29+ = +2sqrt%28+3+%29+
Click here to see answer by checkley71(8403) About Me 

Question 97627: Help me please!
+sqrt%28+9a%2F3+%29+ - 4=0

Click here to see answer by checkley71(8403) About Me 

Question 97658: I need help completing the square for this problem.
16x^2-16x-5=0

So far I have tried this:
16x^2-16x+[1/2(-16)]=5+[1/2(-16)]
16x^2-16x+64=5+64
16(x^2-x+4)=69
16(????????????

I'm lost from this point on. I tried factoring but it's not working for me. I hope you can help me.
Thank you very much
Solve a Quadratic Equation by completing the square.
I was not sure what would be an acceptable answer for your teacher so I worked it all the way out. This problem is a Quadratic Equation. Here is your solution.

Click here to see answer by Msgenes(10) About Me 

Question 97808: how do you add,subtract, or multiply square roots?
Click here to see answer by checkley71(8403) About Me 

Question 98086: what is the 5th square root of 1.63. I Cannot find this button on my calculator!
Click here to see answer by Earlsdon(6287) About Me 

Question 98223: Please check to see if I am doing this the correct way.
SOLVE AND CHECK
~(4x+4)+12=0
~(4x+4)=-12
(~(4x+4))^(2)=(-12)^(2)
(~(4(x+1)))^(2)=(-12)^(2)
(2)^(2)=(-12)^(2)
(2~(x+1))^(2)=(-12)^(2)
4(x+1)=(-12)^(2)
(4x+4)=(-12)^(2)
4x+4=(-12)^(2)
4x+4=(144)
4x+4=144
4x=140
x=35
No Solution
Thank you

Click here to see answer by benni1013(197) About Me 
Question 98223: Please check to see if I am doing this the correct way.
SOLVE AND CHECK
~(4x+4)+12=0
~(4x+4)=-12
(~(4x+4))^(2)=(-12)^(2)
(~(4(x+1)))^(2)=(-12)^(2)
(2)^(2)=(-12)^(2)
(2~(x+1))^(2)=(-12)^(2)
4(x+1)=(-12)^(2)
(4x+4)=(-12)^(2)
4x+4=(-12)^(2)
4x+4=(144)
4x+4=144
4x=140
x=35
No Solution
Thank you

Click here to see answer by mathslover(135) About Me 

Question 98202: Simplify the expression?
(square root of 3-5)(square root of 3 + 5)

Click here to see answer by mathslover(135) About Me 

Question 98201: Simplify the expression?
(square root of 3-5)(square root of 3 + 5)

Click here to see answer by checkley71(8403) About Me 

Question 98208: square root of 11(square root of 11 + x square root 22)
How do i do this kind of problem? I am lost it is
square root of 11 times square root of 11 plus x square root of 22

Click here to see answer by bucky(2189) About Me 

Question 98336: SQRT x-1 = x-3
Solve

Click here to see answer by Nate(3500) About Me 

Question 92752: what is the square root of x^3y^2??
Click here to see answer by checkley71(8403) About Me 

Question 98414: What are the roots of y=x^2+2x-3
Click here to see answer by jim_thompson5910(28598) About Me 

Question 98416: You have a round clock from 1-12. Draw two straight lines to get three equal sums.
I drew a line from 1 to 11 and from 9 to 3. I'm not sure though because it sawy three equal sums when you're supposed to draw two lines.

Click here to see answer by stanbon(57387) About Me 

Question 98200: Simplify the expression?
(square root of 3-5)(square root of 3 + 5)

Click here to see answer by edjones(7569) About Me 

Question 98203: Can someone help me to solve the equation?
square root of x + 5 + x = 1

Click here to see answer by ankor@dixie-net.com(15660) About Me 

Question 98944: square root of -25
Click here to see answer by tutorcecilia(2152) About Me 

Question 99045: What is the number that is both cubic and square at the same time? How do you work out the answer?
Click here to see answer by stanbon(57387) About Me 
Question 99045: What is the number that is both cubic and square at the same time? How do you work out the answer?
Click here to see answer by edjones(7569) About Me 

Question 99087: Can someone please help me solve this equation: √x-2 = 6√x^3-26. I would really appreciate it and thank you very much for taking the time to help me.
Click here to see answer by stanbon(57387) About Me 

Question 99144: Perform the indicated multiplication. Then simplify the radical expression.
sqrt 13 multiply sqrt 5

Click here to see answer by Adam(64) About Me 

Question 98008: I need help factoring this:
x^2-2xy+y^2-a^2-2ab-b^2
Thanks for your help and time.

Click here to see answer by timmy1729(23) About Me 

Question 99561: I haven't seen this math in years.
Can you help me please. What does it mean to simply the expression.
Question:
-3 (with a -2 in higher power) and also again when it's in ()
(-3) (also with a -2 in higher power).
Thanks

Click here to see answer by Edwin McCravy(8909) About Me 

Question 99478: evaluate
sqrt (-121)

Click here to see answer by elima(1433) About Me 

Question 99606: the positive square root of the number 576
Click here to see answer by stanbon(57387) About Me 

Question 99621: Use the properties for radicals to simplify the following expressions. Assume that all variables represent positive real numbers
sqrt (5/3)

Click here to see answer by Adam(64) About Me 

Question 99642: Find the perimeter of the triangle
bottom side of the triangle is sqrt(5)-sqrt(3)
side of the triangle is sqrt (5)+sqrt(3)
other side is 4

Click here to see answer by checkley71(8403) About Me 

Question 99638: Use Property 2 to simplify each of the following radical expressions
sqrt(10/49)

Click here to see answer by aaaaaaaa(138) About Me 

Question 99653: Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression.
6 - sqrt(20) divided by 2

Click here to see answer by checkley71(8403) About Me 

Question 99647: Solve this problem algebraically:
fourth root (x^2 + 16x) = 2

Click here to see answer by scott8148(6628) About Me 
Question 99647: Solve this problem algebraically:
fourth root (x^2 + 16x) = 2

Click here to see answer by checkley71(8403) About Me 

Question 99652: Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression.
6 - sqrt(20) divided by 2

Click here to see answer by edjones(7569) About Me 

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