Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
solve 9000 = 10000 / (1+199e^(kt)) for t
solve 9000 = 10000 / (1+199e^(kt)) for t
Natural Language
Math Input
Extended Keyboard
