# 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 435962: Find the instantaneous rate of change of s(t) = t^2 + 4 at t = 6. Click here to see answer by stanbon(57323)

 Question 436259: The boys of a school can be arranged in 12,15 and 18 equal rows and also into a solid square. what is the least number of boys that the school can have?(Hint: find LCM) Click here to see answer by jorel1380(2518)

 Question 436687: I need help with limits and cant find a section... Find the following limit: lim (x^2+2x-15)/(x-3) x->3 I think the limit might be 7, but really unsure. Thank you!! Click here to see answer by stanbon(57323)
 Question 436687: I need help with limits and cant find a section... Find the following limit: lim (x^2+2x-15)/(x-3) x->3 I think the limit might be 7, but really unsure. Thank you!! Click here to see answer by richard1234(5390)

 Question 437317: absolute value of x^2-8 =5 solve the absolute value equation? Click here to see answer by shree840(260)

 Question 437314: (4y-4)^2+10(4y-4)+21=0 find all real and imaginary solutions to the equation (4y-4)^2+40y-40+21=0 (4y-4)^2+40y+-19=0 (4y-4)^2+40y-19=0 0=0 Click here to see answer by dy5841(1)

 Question 437639: perfect square that will divide into 63 evenly Click here to see answer by robertb(4012)

 Question 437737: Im trying to find out what 1 divided by the cubed root of 7 is? Click here to see answer by Alan3354(30993)

 Question 437749: (3square root 5 -6square root 3)(5square root 5 +10square root 3) Click here to see answer by ewatrrr(10682)

 Question 438118: Simplify √ 45 √ 16/25 √ 8*√ 9/20 √ 10/32 √ 9/16 Click here to see answer by MathLover1(6627)

 Question 438848: Solve by complete factorization? 〖2x〗^4-〖10x〗^3+ 14x^2 Any help would be appreciated? The solutions I have are: 2x^2(x^2-5x+7) AND (x-4)(x+1) Unsure which is correct, if either one. Click here to see answer by Gogonati(809)

 Question 438894: what is the square root of 12 + 3 with the square root of 128 over 6 Click here to see answer by solver91311(16877)

 Question 438941: the area of a square is 900 ft^2. what is the length of a side? Click here to see answer by ewatrrr(10682)

 Question 439021: the square of a negative number is 48 more than twice the negative number. find the number Click here to see answer by rwm(914)

 Question 439291: Hi, I've been out of school for 2 years and I cannot remember how to do the cube root of numbers. The problem I have asks what is 4 times the cube root of 81. Click here to see answer by Edwin McCravy(8908)

 Question 439339: Use the square root property to solve the equation (x + 8)^2 = 81 What is the solution set? Can someone explain to me how to do this? Thanks Click here to see answer by stanbon(57323)
 Question 439339: Use the square root property to solve the equation (x + 8)^2 = 81 What is the solution set? Can someone explain to me how to do this? Thanks Click here to see answer by jorel1380(2518)
 Question 439339: Use the square root property to solve the equation (x + 8)^2 = 81 What is the solution set? Can someone explain to me how to do this? Thanks Click here to see answer by robertb(4012)

 Question 439408: What would the square root of x times the square root of x equal? Click here to see answer by edjones(7569)
 Question 439408: What would the square root of x times the square root of x equal? Click here to see answer by shantalboodram(15)

 Question 439864: what is the aproximate square root 180 to the nearest thousant? Click here to see answer by Alan3354(30993)

 Question 439865: The square root of a whole number that is not a perfect square is a(an)__________number? Click here to see answer by MathLover1(6627)
 Question 439865: The square root of a whole number that is not a perfect square is a(an)__________number? Click here to see answer by Alan3354(30993)

 Question 440696: What is the fifth term of a sequence whose first term is 5 and whose common ratio is 3? Click here to see answer by Euler(11)

 Question 441369: problem is 10x^3y²z divided by 5xyz= how do i solve this?? Click here to see answer by ewatrrr(10682)

 Question 441774: Simplify. Express in simplest radical form. DO NOT USE A TABLE OR CALCULATOR 1.) √2 + √2/49 2.) (√2-3)(√2+3) 3.) ( √3- √5)( √3- √5) Click here to see answer by robertb(4012)

 Question 441834: Solve: sq rt of 3x-5 - sq rt of x+2 = 1 Click here to see answer by htmentor(789)