# 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 394031: what is the answer to the square root of 90 over the square root of 10? Click here to see answer by robertb(4012)

 Question 394570: not sure how to do this 4^1/5 * 4 ^2/5 = Click here to see answer by user_dude2008(1861)

 Question 394720: find the inverse of the function given. f(x)=3x+5 Click here to see answer by jrfrunner(365)

 Question 394734: How do I cube (3 minus square root of 7)? Click here to see answer by MCAT(6)
 Question 394734: How do I cube (3 minus square root of 7)? Click here to see answer by jrfrunner(365)

 Question 395147: why is the answer to: cube root of 4 divided by the cube root of 32 equal half? how do you solve it Click here to see answer by stanbon(57379)

 Question 395159: 3 ∜ 24 multiplied by 5 ∜ 2 why is the answer 30 ∜3 Click here to see answer by jsmallt9(3296)

 Question 395152: why is the answer to cube root of 9 times cubed root of 6 DIVIDED BY 6 root 2 times 6 root 2 = 3? Click here to see answer by jsmallt9(3296)

 Question 395336: What is the square root of 121/64 (both #'s are under the square root symbol). my guess is 11/8. Thanks Click here to see answer by ewatrrr(10682)

 Question 395591: what is cube root 4 over 5 root 8 and why? Click here to see answer by rfer(12666)

 Question 395757: If I was to build stairs from my porch that is 6 feet high and and 7 feet from my house how many feet will my steps have to be Click here to see answer by stanbon(57379)

 Question 396711: How do I find the total perimeter of 2 squares, one with an area of the square root of 5 and the other with a square root of 125? Click here to see answer by stanbon(57379)

 Question 396985: How do I solve for 17^-5. or 17 to the -5 power? My equation is Click here to see answer by unlockmath(1603)

 Question 397070: Multiply and simplify by factoring. Assume that all expressions under radicals represent non-negative numbers. cubic root of y^7 times cubic root of 81y^8=??? I am not sure hot to write this problem in the formula plotting system so if you could let me know how that would be great. Click here to see answer by jsmallt9(3296)

 Question 397063: the cubed root of 4x+1 to the 6th power Click here to see answer by jsmallt9(3296)

 Question 397257: Simplify by taking roots of the numerator and the denominator. Assume that all expressions under radicals represent positive numbers. Type an exact answer, using radicals as needed. Click here to see answer by josmiceli(9697)
 Question 397257: Simplify by taking roots of the numerator and the denominator. Assume that all expressions under radicals represent positive numbers. Type an exact answer, using radicals as needed. Click here to see answer by ewatrrr(10682)
 Question 397257: Simplify by taking roots of the numerator and the denominator. Assume that all expressions under radicals represent positive numbers. Type an exact answer, using radicals as needed. Click here to see answer by ihabsk(1)

 Question 397277: Use rational exponents to simplify. Complete the expression. Click here to see answer by josmiceli(9697)

 Question 397295: what two numbers when multiplyed to gether equals 1666 Click here to see answer by ankor@dixie-net.com(15660)

 Question 397364: 15. Solve the equation. Identify any extraneous solutions. x= sqrt-7x+8 A. 8 is a solution to the original equation. The value –1 is an extraneous solution. B.1 and –8 are solutions. C.1 and 8 are both extraneous solutions. D.1 is a solution to the original equation. The value –8 is an extraneous solution. Click here to see answer by MathLover1(6634)

 Question 397448: how do you add square roots? example: square root of 18 + the square root of 200 Click here to see answer by ewatrrr(10682)

 Question 397611: How do you simplify complex Radical numbers ? ex: 3(squareroot of 3) - 1 ----------------------- 3(squareroot of 2) - 1 Click here to see answer by richard1234(5390)

 Question 397709: How can you simplify the 6th root of 100? Click here to see answer by stanbon(57379)

 Question 398103: Find the following. Assume that variables can represent any real number. Click here to see answer by robertb(4012)

 Question 398726: not sure what they are asking here. hope you can help find the following (x^5)^(1/5)Assume that letters can represent any real number thanks for your time Click here to see answer by Alan3354(30993)

 Question 398737: thank your for your help. I am not good at math at all. so lost rewrite with rational exponents (sqrt(6mn))^7 Click here to see answer by Earlsdon(6287)

 Question 398495: sqrt 0f 450 divided by the sqrt of 1800 simplify Click here to see answer by jsmallt9(3296)