Tutors Answer Your Questions about Radicals (FREE)
Question 119853: I need some help with this problem I can figure it out without the negative sign but I am not sure what to do with the negative sign.
I have to evaluate if possible. The question is -sqrt81.
So I am thinking that -sqrt81 is a perfect square so the answer would be -0. If I am not right could you please help me figure it out.
Click here to see answer by Earlsdon(6294)  |
Question 119883: Hi Tutors, Can someone see if I did this problem right and if not can you tell me what I did wrong. Solve the equations.
sqrt 4x + 1 + 3 =0
sqrt 4x + 1 = -3
sqrt 4x + 1^2 =(-3)^2
4x + 1= 9
4x = 9 – 1 Subtract
4x = 8 Divide by 2
x= 2 is the answer
How can I check to see if this is the right answer.
One more thing I am stuck on this problem because of the x can someone please help.
sqrt 2x + 1 + x = 7
Click here to see answer by josmiceli(19441)  |
Question 120492: The time in seconds it takes for an object to fall from rest is given by t = 1/4squared s, in which s is the distance fallen. What is the time it takes an object to fakk from a building 1400 feet high? I have tried 1/4 the distance fallen squared, and I just don't know how to figure this one out in seconds?
Click here to see answer by solver91311(24713)  |
Question 120762: A very pleasant evening to you Math Solvers! I am encountering some difficulties about radicals, can you please help me. In my problems it is specified that you just need to simplify the following by reducing as much as possible, here it follows:
->fifth root of 486
Thank you very much!!!
Click here to see answer by bucky(2189) |
Question 120760: A very pleasant evening to you Math Solvers! I am encountering some difficulties about radicals, can you please help me. In my problems it is specified that you just need to simplify the following by reducing as much as possible, here it follows:
->square root of 64 a^6 b
Thank you very much!!!
Click here to see answer by praseenakos@yahoo.com(507)  |
Question 120759: A very pleasant evening to you Math Solvers! I am encountering some difficulties about radicals, can you please help me. In my problems it is specified that you just need to simplify the following by reducing as much as possible, here it follows:
-> square root of 200 a b^2
Thank you very much!!!
Click here to see answer by stanbon(75887) |
Question 120761: A very pleasant evening to you Math Solvers! I am encountering some difficulties about radicals, can you please help me. In my problems it is specified that you just need to simplify the following by reducing as much as possible, here it follows:
->cube root of 1000 x^6 y^5
Thank you very much!!!
Click here to see answer by jim_thompson5910(35256) |
Question 121078: The time in seconds that it takes for an object to fall from
rest is given by t=1/4 (radical)s, in which s is the distance fallen. Find the time required
for an object to fall to the ground from a building that is 800 ft high.
Science and medicine. Find the time required for an object to fall to the ground
from a building that is 1400 ft high. (Use the formula found in above problem)
I think I get this but not sure, please help, thanks.
Click here to see answer by ankor@dixie-net.com(22740)  |
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