Ask a New Question
Search
Asked by
Satish
The arithmetic mean of 10 terms is 24, while arithmetic mean of last 8 term is 20. Find arithmetic mean of first two terms.
Answers
Answers
Answered by
Reiny
total of all 10 terms = 240
total of last 8 terms = 8(20) = 160
total of first 2 terms = 240-160 = 80
mean of first 2 terms = 80/2 = 40
Answered by
Anonymous
Veryyy fine Inglis
Related Questions
Related
two terms of an arithmetic sequence are 15 and 45. Create three different arithmetic sequences given...
Find 8 terms of the arithmetic progression if the second term is 2 and the sixth term is 5
Two terms of an arithmetic sequence are t6=-3 and t11=-13. What is t20?
formula for terms of arithmetic sequence 9-2x,4+3x,7+5x
5 and 10 terms of an arithmetic progression and 0 and 10, respectively the 20 terms is
Arithmetic Sequence Terms Suppose an arithmetic sequence is defined by this explicit formula. an...
Arithmetic Sequence Terms Suppose an arithmetic sequence is defined by this explicit formula. an...
Three terms of an arithmetic sequence are shown below. Which recursive formula defines the sequence?...
Three terms of an arithmetic sequence are shown below. Which recursive formula defines the sequence?...