probability of an event
when number of favorable outcomes is divided by number of possible outcomes
number of successes divided by the number of tries
I=Prt where the principal times rate (written as a decimal) times "time in years"
A = P(I +r)squared : where A is the balance, P is the principal, r is the annual interest rate (written as a decimal), and t is the time in years
Distance between two points in a coordinate plane is equal to the square root of the sum or the horizontal change squared and the vertical change squared.
Coordinates of the midpoint of a segment are the average of the endpoints x-coordinates and the average of the endpoints' y-coordinates.
difference of y-coordinates divided by difference of x-coordinates
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.