# 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 Solvers Lessons Answers archive Quiz In Depth

 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)

 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)

 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)

 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)
 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)

 Question 98202: Simplify the expression? (square root of 3-5)(square root of 3 + 5) Click here to see answer by mathslover(135)

 Question 98201: Simplify the expression? (square root of 3-5)(square root of 3 + 5) Click here to see answer by checkley71(8403)

 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)

 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)

 Question 98200: Simplify the expression? (square root of 3-5)(square root of 3 + 5) Click here to see answer by edjones(7569)

 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)

 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)
 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)

 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)

 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)

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

 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)

 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)