To calculate: The rule for the number of band members in the nth row. Then find the total number of band members.
A marching band is arranged in 7 rows. The first row has 3 band members, and each row after the first has 2 more band members than the row before it..
The
Given information:
The given sequence is
Formula used:
The nth term of an arithmetic sequence with first term
Calculation:
Consider the given sequence.
It is given that
Put
The sum of nth term of an arithmetic sequence with first term
Put
Chapter 7 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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