First term of an arithmetic sequence is 5 and it's 10th term 50.Find it's 20th term
Answers
Answered by
7
Answer:
a=5
a+9d=50
d=50-5/9=5
20th term=a+19d
=5+19(5)
=5+95=100
Answered by
21
Answer:
a=5
A10=50
a+9d=50
9d=45
d=5
a20=a+19d
5+95=100
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