Thursday

January 29, 2015

January 29, 2015

Posted by **Andy G** on Monday, March 17, 2014 at 9:39pm.

a. estimate the doubling time for each

- interest -
**Reiny**, Monday, March 17, 2014 at 10:04pmwe don't really need the amount

at first rate:

2 = 1 e^(.05t)

ln2 = .05t

t = 13.86 ---> the doubling time

at 2nd rate:

2 = 1 e^(.1t)

you finish it.

**Answer this Question**

**Related Questions**

Finance - John deposited $1000 on 1st January 2011 in an account paying interest...

Mathematics - a credit union pays 8 percent per annum compound interest on all ...

math (SIMPLE INTEREST) - 4.the amount in an account which was opened 180 days ...

Maths ,science - Bongiwe invests R12000 in a savings account at 6,5% per annum ...

math - Mr. Jones grosses $500 per week. He has 6% automatically deposited into ...

Help Please Math - A principal of $2500 is invested,part at 8% per annum and the...

algebra - Hassan deposited $7,500 into a bank account. At the end of 3 years, ...

math - 1.John deposited $40,000.oo in the bank and earned simple interest of 7% ...

Lat math question for some days. Can y'all help? - Huan deposited $850 into a ...

Pre-Algebra help PLZ!! - Hassan deposited $7,500 into a bank account. At the end...