The Purplemath Forums

Can anyone help me understand this problem? The C belongs under the 100m, not sure why I cant get it there? Solve for C

I = 100m
C

DAiv,

Makes sence. Thank you so much for the explination.

Can anyone help me understand this problem? I need to solve and apply interval notation.

1 < 4x + 3 < 9

I am having a problem figuring out trinomials when there is a number added to the first term. I understand the second sign determines both signs below and the sign on the left determines what they will be. I also believe I figured out the first term. The problem is there are five different options w...

Thank you for your help. The box method is much faster.

Can anyone explain this problem?

Code: Select all

The answer is
 2x
-----
x + 1

Code: Select all

2x - 2x^2
---------
 x^2 - 1

Yes, I belive I got it. If you factor out 2x from the numerator and factor the denominator the (x - 1) cancels out. Correct.

Can anyone help? Not sure what to do when there is a fraction in front of the radical.

5 over 6 with 28 inside the radical.