Math/Pre Cal
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Math/Pre Cal
Find the sum of the geometric series 12864+32______to 8 terms .
asked by Robo123 on December 10, 2010 
math
1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)1215 B)3645 C)9375 D)23 I chose A 2)Write an equation for the nth term of the geometric sequence 12,4,4/3... A)aN=12(1/3)n1 B)aN=12(1/3)n1
asked by Jon on December 12, 2007 
Algebra
Use the geometric sequence of numbers 1, 1/3, 1/9, 1/27… to find the following: Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 10 terms? Carry all calculations to 6
asked by Gina on October 29, 2006 
Math  Geometric Series
Find the sum of the geometric series 128  64 + 32  . . . to 8 terms. a) 85 b) 225 c) 86 d) 85/2 e) not possible
asked by Robo123 on December 11, 2010 
CALC II
Determine the convergence of the following series using the nthpartial sum or geometric series formula. The sum of n=1 to inifitiy 1/(9n^2+3n2) How do I start? I'm guessing I should factor out the denominator but whats after
asked by Ace on June 18, 2007 
Math....Please help I have a deadline for tonight!
Use the geometric sequence of numbers 1, 1/3, 1/9 , 1/27… to find the following: b) Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 10 terms? Carry all calculations to 6
asked by Vianna on November 4, 2006 
arithmetic
1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term
asked by kartik hans on May 24, 2014 
arithmetic
1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term
asked by kartik hans on May 23, 2014 
Math *URGENT
Please give the answers and solutions for each. 1.If the second term is 2 and the seventh term of a geometric sequence is 64, find the 12th term. 2. Which term if the geometric sequence 18,54,162,486,... is 3,188,646? 3. Determine
asked by Aliza on December 20, 2012 
Arithmetic
A geometric series has a positive common ratio of r. The series has a sum to infinity of 9 and the sum of the first two terms is 5. Find the first four terms of the series.
asked by samuel on November 25, 2017