Tutors Answer Your Questions about Radicals (FREE)
Question 136087: I've tried these but not sure if they're right-Help!
1. 3sqrt13*5sqrt27 =45sqrt39
2.sqrt36 - 2sqrt9=0
3.5sqrt10 - 2sqrt5=50sqrt2
4.4sqrt15 + 7sqrt15 =11sqrt15
5.sqrt168=2sqrt42
6.15/5sqrt28 =3sqrt7/14
someone please check these and if not correct help me!!
Click here to see answer by vleith(1977)   |
Question 136352: Please help, I am not sure if what I got for this solution correct. I got a=3 b=0 c=5. It asks to: express irrational solutions in simplest form. If it has no solution, write no solution.
3n^2-75=0
Please help me, Thank You=)
Click here to see answer by vleith(1977) |
Question 136730: May I have this answer checked as well? I am not feeling confident within my factoring...
x2-9x+20 ÷ x2-16
-------- -------
3x-15 9x+36
=
x2-9x+20 * 9x+36
-------- -----
3x-15 x2-16
=( x2-9x+20)( 9x+36)
------------------
(3x-15)( x2-16)
=(x-5)(x-4)9(x+4)
---------------
3(x-5)(x+4)(x-4)
=9/3
=3
Please tell me I did this one right? Thank you so much for all of your assistance with all of these problems.
Click here to see answer by solver91311(5072)  |
Question 136728: Could This problem be checked for me?
2x2-12x+18
-----------
2x2-18
=2(x2-6x+9)
---------
2(x2-9)
= 2(x-3)(x-3)
------------
2(x-3)(x-3)
=1
Is this answer correct in how I figured it out? Thank you for the help!
Click here to see answer by stanbon(26297) |
Question 136727: Could someone help with this radical? I am having troubles understanding how to do this?
(√{6}+2√{2})(4√{6}-3√{2})
Could you help me step by step on this?
The other one that seems a little easier that I can not figure is
√{81}x12y8z10}
I know that the √ of 81 is 9 but how do I figure out the exponents?
Click here to see answer by stanbon(26297) |
Question 136727: Could someone help with this radical? I am having troubles understanding how to do this?
(√{6}+2√{2})(4√{6}-3√{2})
Could you help me step by step on this?
The other one that seems a little easier that I can not figure is
√{81}x12y8z10}
I know that the √ of 81 is 9 but how do I figure out the exponents?
Click here to see answer by solver91311(5072) |
Question 137505: Solve the following algebraically. Please show the work
t^(2/3)= 4
√(5&x) + 1 = 3
2/3= 2- (5x-3)/(x-1)
√(t+12) - t=0
The volume of a cube is given V= s^3, where s is the length of a side. Find the length of a side of a cube if the volume is 700 〖in〗^3. Round the answer to three decimal places
Click here to see answer by checkley77(7072) |
Question 137923This question is from textbook Blitzer
: Radical and rational exponents, Please I'm very confuse because I have not done this for a long time, I need to see how you do it. I'm a quick learner and will learn with explanations.Please, Thank you all. Bless be.
5*( square root of X) + 1 = 3
Answer:
Show your work here:
c)2/3=2-(5x-3)/(x-1)
Answer:
Show your work here:
2) Solve algebraically and check your potential solutions:
(square root of t+12)- t =0
Answer:
Show your work here:
3) The volume of a cube is given by V = s3, where s is the length of a side. Find the length of a side of a cube if the volume is 700 in3. Round the answer to three decimal places.
I have s^3= 700 is this right( can you show me how to solve that)
Answer:
Show your work here:
This question is from textbook Blitzer
Click here to see answer by stanbon(26297) |
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