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

Tutors Answer Your Questions about Square-cubic-other-roots (FREE)

Question 99639: 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 ptaylor(2052)

Question 99476: 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 mdalis(5)

Question 99640: Find the area of the rectangle
sqrt (3)+sqrt(5) all sides
Click here to see answer by mdalis(5)

Question 99933: This is my last question in order for me to finish my assignment. Is it posssible for someone to help me?
What is the square of 4 less than a number?
Thank you very much for your kindness
Click here to see answer by stanbon(57962)

Question 99970: Please help. I have one last problem on my test due tonight. I know I am not giving you a lot of time but the person that usually helps me has ended up in the hospital and I am stuck on this last question.
Solve sqrt2x-1=sqrt4x-1 with another -1 outside the sqrt part.
Thanks if you have the time.
Click here to see answer by fastblue(13)

Question 100004: Tutor,
Good evening. I was hoping you could explain how to solve this problem for me. I hope that I am writing this correctly.
Multiply and simplify each radical expression.
sgrt of 7(2 sqrt of 3 + 3 sqrt of 7)
I am not sure how to write this equation I hope this is correct. Thank you for your help with this problem.

Click here to see answer by edjones(7569)

Question 100031: The Surface Area of a Sphere is 86pie ft squared. What is the diameter of th sphere?
Click here to see answer by elima(1433)

Question 100209: Tutor I was wondering if you could help me with these two problems?
1.) Sqrt of 50 (use property 1 to simplify each radical expression. Assume all variables represent positive real numbers.) I got 5 sqrt of 10 is this correct?
2.) sqrt of 72x^3 is the answer 3x sqrt of x?
Thank you for helping me with these problems I appreciate the help.
Click here to see answer by stanbon(57962)

Question 100210: -4 sq root3 - sq root36 + 3 sq root 48 =?
Click here to see answer by stanbon(57962)

Question 98944: square root of -25
Click here to see answer by crondine1(1)

Question 100430: Tutor,
Good Evening. I am not understanding square roots at all for some reason. Could you please help me by explaining these two problems?
Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression.
1.) 18 + sqrt 567 / 9
2.) -9 - sqrt 108 / 3
I do not understand these problems at all so any help is appreciated. Thank you very much for your time and help.
Click here to see answer by checkley71(8403)

Question 100467: Tutor,
May I ask for your assistance one more time?
Using the equation t = 1/4 sqrt of s
Find the time required for an object to fall to the ground from a building that is 1400 ft high.
Thanks for your help.
Click here to see answer by checkley71(8403)

Question 100521: Simplify by combining like terms.
x sqrt(18)- 3 sqrt(8x^2)
Click here to see answer by tutorcecilia(2152)

Question 100511: How do we square trinomials?
Click here to see answer by timmy1729(23)

Question 100591: solve by using square root property
25z^2-32=0

thanks
Click here to see answer by tutorcecilia(2152)

Question 100671: Solve the equations. check the solutions.
sqrt(2y+7)+4=y
Click here to see answer by checkley71(8403)

Question 100671: Solve the equations. check the solutions.
sqrt(2y+7)+4=y
Click here to see answer by edjones(7569)

Question 100669: Solve the equations. check the solutions.
sqrt(4x+1+3)=0
Click here to see answer by oberobic(2304)

Question 100669: Solve the equations. check the solutions.
sqrt(4x+1+3)=0
Click here to see answer by edjones(7569)

Question 100682: Good Evening Tutor,
I have two questions I was wondering if you could tell me if I got them correct?
1.) Evaluate if possible: cubed(3) sqrt of -8/27 I got - 1/6 is this correct?
2.) simplify by combining like terms. sqrt of 63 - 2 sqrt of 28 + 5 sqrt of 7.
I got 7 sqrt of 7 I think this is wrong but I am not sure where I am getting messed up I keep getting the same answer.
Any help is appreciated. Thank you.
Click here to see answer by edjones(7569)

Question 100596: SQUARING AND SUBSTITUTION
4M+ 8SQUARE ROOT M -5=0
4M PLUS 8 SQUARE ROOT SIGN WITH M UNDER IT -5=0
solve

thanks
Click here to see answer by scott8148(6628)

Question 100595: 2T^-4 -5T^-2 +2=0

2T HAS A NEGATIVE EXPONENT OF -4 AND 5T HAS A NEGATIVE EXPONENT OF -2

solve

thanks
Click here to see answer by stanbon(57962)

Question 100816: How do you calculate the positive 4th root of 7?
Thanks!
Daniel
Click here to see answer by edjones(7569)

Question 101134: the nth term sequence is T(n)=4n-3 what are the first 5 terms of the sequence and can you explain it.
Click here to see answer by stanbon(57962)

Question 101187: What is the square root of y+12=5? (the square root sign is over y+12)
Click here to see answer by Earlsdon(6294)

Question 101187: What is the square root of y+12=5? (the square root sign is over y+12)
Click here to see answer by stanbon(57962)

Question 101146: Find the distance between (–4, 0) and (–5, –3)
Click here to see answer by jim_thompson5910(28715)

Question 101147: Find the distance between (–4, 0) and (–5, –3)
Click here to see answer by jim_thompson5910(28715)

Question 101157: Evaluate sqrt(4) , if possible.
Click here to see answer by sofiyacherni(99)

Question 101153: Simplify sqrt(500)
Click here to see answer by scott8148(6628)

Question 101168: Simplify
Click here to see answer by Edwin McCravy(8999)

Question 101169: Simplify SQRT(3X/2)
Click here to see answer by Edwin McCravy(8999)

Question 101161: Simplify 8 + sqrt(24) / 2
Click here to see answer by edjones(7569)

Question 101156: Simplify. Assume all variables represents positive numbers.
sqrt(x^4 y^3)
Click here to see answer by edjones(7569)

Question 101156: Simplify. Assume all variables represents positive numbers.
sqrt(x^4 y^3)
Click here to see answer by jim_thompson5910(28715)

Question 101306: SIMPLIFY
5 SQRT(6X) + 4 SQRT (6X)
Click here to see answer by edjones(7569)

Question 101328: Tutor,
I do not think I am understanding how to solve this problem could you please help me?
Find the distance between each pair of points:
(-3,0) and (4,0)
Any explanation would help me with this problem. Thanks.
Click here to see answer by jim_thompson5910(28715)

Question 101305: Determine whether SQRT (77) is rational or irrational.
Click here to see answer by Earlsdon(6294)

Question 101464: I need help with a problem but cant type square root on my keyboard but I'll do my best, Here goes (X+1)^1/2+(2X)^1/2=1
Click here to see answer by stanbon(57962)

Question 101464: I need help with a problem but cant type square root on my keyboard but I'll do my best, Here goes (X+1)^1/2+(2X)^1/2=1
Click here to see answer by edjones(7569)

Question 101474: Good evening tutor,
Could you explain to me how to solve this problem. I am sure the answer I keep getting is incorrect but I am not sure where my confusion is.
Simplify each radical expression:
(sqrt of 3 + 5) (sqrt of 3 - 3)
Thank you so much for your help.

Click here to see answer by stanbon(57962)

Question 101472: Tutor,
May I get some help with this word problem?
Insulation comes in 40-cm wide rolls. If the roof is 7 m from peak to eave and the attic space is 3 m high at the peak, how long does each of the pieces of insulation need to be? Round to the nearest tenth.
Thank you for your help with this problem.
Click here to see answer by oberobic(2304)

Question 101488: One last question for this evening if you could help me I would appreciate it.
Solve each of the equations. Be sure to check your solutions.
sqrt x+4 = 3
Thank you for your help.
Click here to see answer by oberobic(2304)

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