
Concept explainers
To write an arithmetic sequence and formula for nth term

Answer to Problem 3.6.2P
The sequence is 8.0, 8.2, 8.4, 8.6, 8.8, 9.0…
Explanation of Solution
Given information:
The necklace is 8cm long, initially.
Each bead is 2mm
Formula used:Arithmetic sequence formulation
Calculation:
Converting mm to cm, hence,
Therefore, each bead adds 0.2 cm.
Hence, the sequence is,
8.0, 8.2, 8.4, 8.6, 8.8, 9.0…nthterm
Since, 8cm is initial item.
0.2cm is the length added
Hence, the formula for nthterm is,
Where, n is the nth number of term in the sequence
Chapter ISG Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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