The formula t = logK
0.045 log e gives the time t (in years) that it will take an investment P that is
compounded continuously at a rate of 4.5% to increase to an amount K times the original
principal.
If Paul invests $1,000 in a savings account that is compounded continuously at a rate of
4.5%, when will his investment double? Round your answer to the nearest tenth of a year.

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

Can someone answer this question? : )

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.