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The 3rd term of a geometric progression is nine times the first term.if the second term is onetwenty fourth the 5th term.find the 4th term. solution ar^2=9a r=sqr of 9 r=3.pls help me on how to get the first term(a)
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The second term in a geometric sequence is 20. The fourth term in the same sequence is 45/4, or 11.25. What is the common ratio in the sequence? Thanks for reading :)
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Question 1 Write the first four terms of the sequence whose general term is given. an = 3n  1 Answer 2, 3, 4, 5 2, 5, 8, 11 2, 5, 8, 11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general
asked by Tony on July 10, 2012 
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Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 *** The sequence is neither geometric
asked by TTR+S<3 on May 2, 2014

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The 1st,5th,13th term of an arithmetic sequence are the first 3 terms of geometric sequence with a common ratio of 2. If the 21st term of the arithmetic sequence is 72, calculate the sum of the first 10 terms of the geometric
asked by zack on April 9, 2015 
Math
1. Find the 11th term of the geometric sequence 64, 32, 16, 8, … . 2. Find the 1st term of a geometric sequence with a 10th term 1024 and r = 2. 3. Find the sum of each infinite geometric series, if possible. a. 10 + 2 + 2/5
asked by Brianna on October 7, 2014 
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The fifth of an exponential sequence (GP) is greater than the fourth term by 13.5 and fourth term is greater than the thrid by 9.Find:common ratio and the first term.
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A certain 300term geometric sequence has first term 1337 and common ratio 1/2. How many terms of this sequence are greater than 1?
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The third term of a geometric progression is 16. The sum of the third term and the fourth term is 8.Find (a)the first term and the common ratio of the progression. (b)the sum of infinity of the progression.
asked by Watermelon on December 1, 2011 
Math
Am I doing this correctly Use the geometric mean to find the 7th term in a geometric sequence if the 6th term is 75 and the 8th term is 48. A) 60*** B) 66 C) 57 D) 51.5 E) 59 F) 68 r^2 = 48/75 = 16/25 r = 4/5 7th term = 75 * 4/5 =
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The fourth term of an exponential sequence is 192 and its ninth term is 6. Find the common ratio of the sequence
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The first term of a geometric sequence is 25, and the fourth term is 1\5. (a) Find the common ratio r. r = Find the fifth term. a5 = (b) Find the partial sum of the first eight terms. S8 =
asked by franey on August 15, 2015
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