1.The sum of the first n terms of an AP is 373.5. Use the appropriate formula to assist you in calculating the value of n if the first term is 21.5 and common difference is 5. 2.Classify the following sequences: (i) 6.5, 9.75, 13, 16.35,…….. (ii) 4 ,8 , 16 , 33 ……… 9 9 9 9 3. Given that a geometric progression has a = -2 and r = -0.5, Determine values for the: fifth term of the GP and the sum of the first 20 terms

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.2: Sequences, Series And Summation Notation
Problem 35E: Find the sum of the first five terms of the sequence with the given general term. an=3
icon
Related questions
Question

1.The sum of the first n terms of an AP is 373.5. Use the appropriate formula to assist
you in calculating the value of n if the first term is 21.5 and common difference is 5.

2.Classify the following sequences: 

(i) 6.5, 9.75, 13, 16.35,…….. 

(ii) 4  ,8  , 16 ,  33    ………

     9   9      9     9

3. Given that a geometric progression has a = -2 and r = -0.5, Determine values for the:
 fifth term of the GP and the  sum of the first 20 terms

 

Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Intermediate Algebra
Intermediate Algebra
Algebra
ISBN:
9780998625720
Author:
Lynn Marecek
Publisher:
OpenStax College
College Algebra
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill