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Find the 11th term of the arithmetic sequence: 9.2, 9.15, 9.1, 9.05, ...

Find the 11th term of the arithmetic sequence: 9.2, 9.15, 9.1, 9.05, ...
asked 18.2k views
2 votes
Find the 11th term of the arithmetic sequence: 9.2, 9.15, 9.1, 9.05, ...

asked
User Matheus Araujo
by
8.8k points

1 Answer

5 votes
The equation to use is
an=a1 + d( n-1 )
a1= the first #
d= the common difference
n= the # of terms
a1= -3. d= 10. n=11
So...
= -3+10 ( 11-1 )
= -3+10 (10)
= -3+100
=97

Therefore your answer is 97.
answered
User Terrybozzio
by
8.5k points
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