Sunday

April 20, 2014

April 20, 2014

Posted by **HanuMath25/11** on Sunday, November 25, 2012 at 5:29pm.

- Pre Calculus -
**Steve**, Sunday, November 25, 2012 at 8:36pmT4 = T3*r, so r = 36/24 = 3/2

T3 = ar^2, so 24 = a(9/4), so a=32/3

S10 = 32/3 * (1-(3/2)^10)/(1 - 3/2) = 58025/48

seems clumsy, so better check my math.

**Related Questions**

Geometric Series (Algebra 2) - I need some assistance or a formula when trying ...

math - suppose an arithmetic sequence and a geometric sequence with common ...

math - A geometric series has first term 8 and third term 20 what does the fifth...

math - A certain infinite geometric series has first term 7 and sum 4. What is ...

Math - The third term of a geometric series is 24 and the fourth term is 36. ...

calc. - find the sum of the series of (-2)^n/3^n+1. This is an alternating ...

math - if the third and ninth term of a geometric series with a positive common ...

math studies - An arithmetic series has a first term of -4 and a common ...

Geometric progression - The second term of a geometric progression is 12 more ...

Math(arithmetic & Geometric Series) - 1)The sum of 6 terms of an arithmetic ...