Asked by Tenacious
The 10th term of an arithmetic sequence 17 and the16th is 44,find the first three terms in the sequence
Answers
Answered by
Reiny
a+9d = 17
a+15d = 44
subtract them
6d = 27
d = 4.5
then a = 17-9(4.5) = -23.5
sequence starts as
-23.5 , -19 , -14.5 ...
a+15d = 44
subtract them
6d = 27
d = 4.5
then a = 17-9(4.5) = -23.5
sequence starts as
-23.5 , -19 , -14.5 ...
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