Questions on Algebra: Radicals -- complicated equations involving roots answered by real tutors!

Tutors Answer Your Questions about Radicals (FREE)

Question 427100: April shoots an arrow upward into the air at a speed of 64 ft per second from a platform that is 34 feet high. The height of the arrow is given by the function h(t)=-16t^2+64t+34, where t is the time in seconds. What is the maximum height of the arrow?
Click here to see answer by Alan3354(69443)

Question 427096: The cost in millions of dollars for a company to manufacture x thousand automobiles is given by the function C(x)=4x^2-24x+81. Find the number of autromobiles that must be produced to minimize cost.
Answer key states 3,000.
Click here to see answer by ewatrrr(24785)

Question 427188: 1. Refer to the triangle below. If a = 4 and b = 4.
http://i1139.photobucket.com/albums/n551/Ghost-1332/Me/Triangle.jpg link to the image of the triangle
a. Find the exact length of c.
b. Find the exact length of c in simplified radical form.
c. Find c to the nearest hundredth

thanks a lot! :)
Click here to see answer by sudhanshu_kmr(1152)

Question 427189: Consider the numbers 6/11 7/12
a. Write an inequality that compares the numbers. Make sure you show how you know that your answer is correct.
b. Find a rational number between the two given numbers. Show your work and explain your answer.

thanks a lot! :)
Click here to see answer by sudhanshu_kmr(1152)

Question 427219: I am trying to get an answer to this one:
sqrt(5)xsqrt(35)=
Click here to see answer by Alan3354(69443)

Question 427242: I am in a bit of a pickle and could sure use some help on this radical problem:
3( `sqrt(7)` + `sqrt(6)` ) + 2 ( `sqrt(6)` + `sqrt(7)` )
Can someone help?
Click here to see answer by Alan3354(69443)

Question 427266: (5th root of 2x^2y)^3

Click here to see answer by Theo(13342)

Question 426841: I need some help on this problem, can someone help me?
sqrt of 9x+25/81

Click here to see answer by Alan3354(69443)

Question 427322: Can someone help me out with this problem:
9^1/4/9^1/2
I am studying the rules of exponents.
Click here to see answer by stanbon(75887)

Question 427364: Solve equation, check result
√(x+1) + 1 = √(2x)
Click here to see answer by MathLover1(20849)

Question 427365: Solve equation, check answer
root 3√(2x-3) + 1 = 4
Click here to see answer by nerdybill(7384)

Question 427363: Solve equation. Check results.
√(x-2) = x-4
Click here to see answer by ewatrrr(24785)

Question 427363: Solve equation. Check results.
√(x-2) = x-4
Click here to see answer by John10(297)

Question 427540: Solve equation, check answer.
root 3√(z+1)= -3
Click here to see answer by MathLover1(20849)

Question 427539: Solve equation, check answer.
root 4√(2x+3) = √(x+1)
Click here to see answer by ankor@dixie-net.com(22740)

Question 427541: Solve equation, check answer.
√(3x+7)=3x+5
Click here to see answer by Alan3354(69443)

Question 427625: What is 6/5+ the square root of 11?
Click here to see answer by Alan3354(69443)

Question 427390: rewrite with rational exponents. simplify.
(��√(9x^2y))^3
in case you cannot see it that tiny number is 13.
i am having trouble in this particular subject. PLEASE HELP!
Click here to see answer by jsmallt9(3758)

Question 428034: Simplify -(8z - 7w + 2y) completely please.
Click here to see answer by stanbon(75887)

Question 428033: Simplify -6(2x -9) - 4x +5 completely please.
Click here to see answer by Gogonati(855)

Question 428050: Simplify -6(2x -9) - 4x + 5 completely please.
Click here to see answer by algebrahouse.com(1659)

Question 428174: How do I simplify 365 over 180
Click here to see answer by rfer(16322)

Question 428230: how do you simplify a raadical expression like the square root of 200, mandi.williford@yahoo.com thank you
Click here to see answer by Alan3354(69443)

Question 428450: Hello. I am having serious difficulties with the following problem; I must have tried solving it a few times, but my answer is still very different from the book. Please help me solve it. Thank you.
[(x-y)/({(x)^(3)*y}-{2(x)^(2)*(y)^(2)}+{x*(y)^(3)})]^(1/2)
Click here to see answer by Alan3354(69443)

Question 428583: can you simplify radical 37 over 4?

Click here to see answer by nerdybill(7384)

Question 428809: how do you figure out a question such as: radical 2/7 times radical 7/3
Click here to see answer by MathLover1(20849)

Question 428809: how do you figure out a question such as: radical 2/7 times radical 7/3
Click here to see answer by solver91311(24713)

Question 428858: simplify 1/

Click here to see answer by stanbon(75887)

Question 428857: simplify

Click here to see answer by sudhanshu_kmr(1152)

Question 428857: simplify

Click here to see answer by ankor@dixie-net.com(22740)

Question 428854: simplify √81/100
Click here to see answer by rfer(16322)

Question 428859:

Click here to see answer by robertb(5830)

Question 429079: (radical3-2radical 21)(radical 3 + 3radical 21)

Click here to see answer by ewatrrr(24785)

Question 429046: a+bi=√2i
Solving for a & b to prove (a+bi)�=2i
Click here to see answer by richard1234(7193)

Question 429416: the square root of 16x to the power of 14.
How do I simplify that and solve it?
Click here to see answer by rfer(16322)

Question 429635: a square garden pot has an area of 24 ft squared wat is the length of each side in radial form and and the length of each side to the tenth of a foot
Click here to see answer by ewatrrr(24785)

Question 429748: 5 radical 7 + 3 radical 28
I tried 5 radical 7 + 3 radical 28
5 radical 7 + 3 radical 14 radical 2
5 radical 7 + 3 radical 7 radical 2 radical 2
It's wrong! I really need help!
Click here to see answer by edjones(8007)

Question 429843: The sum of four consecutive odd numbers is -216. Find the numbers.
Click here to see answer by jorel1380(3719)

Question 429842: You and your friend, Jake, go to the roof of a 160 foot tall building. You drop your football over the edge at the same instant that Jake throws his football straight down at 48 feet per second. By how many seconds does his football beat yours to the ground? Using h=-16t^2+vt+c, write and solve tow equations to answer the question.
Click here to see answer by nerdybill(7384)

Question 429851: In a paragraph, describe how to simplify each expression.
1.) 16 1/2
2.)square root of 100
Click here to see answer by richard1234(7193)

Question 429982: what is the perimeter of a triangle with these points: (-1,2),(4,-2), (2,-2). I am using the distance formula but not coming up with the right answer.
Click here to see answer by ewatrrr(24785)

Question 429978: I need to know the solution to the following : ((sq.rt. 5) - 1)/x = sq.rt. 5/2.
Click here to see answer by poliphob3.14(115)

Question 430024: I need to solve this equation algebraically
sqrt (x+1)= cube root (4x-4)
Click here to see answer by josmiceli(19441)

Question 430065: I previously asked this question but it came out wrong and when it was answered I saw how I had grouped it incorrectly. Trying again.
((sq. rt.5)-1)/x = ((sq.rt.5)/2)
Click here to see answer by haileytucki(390)

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