Asked by Dee
In 1985, 10% of Americans had no close friends. On average, this has increased by approximately 0.77% per year
a. Write a formula for the nth term of the arithmetic sequence that models the percentage of Americans with no close friends n years after 1984.
b. If trends shown by the model in part (a) continue, what percentage of Americans will have no close friends in 2011?
a. Write a formula for the nth term of the arithmetic sequence that models the percentage of Americans with no close friends n years after 1984.
b. If trends shown by the model in part (a) continue, what percentage of Americans will have no close friends in 2011?
Answers
Answered by
Steve
you have a sequence where
a = 0.1
r = 1.0077
Now you can write the formulas needed.
a = 0.1
r = 1.0077
Now you can write the formulas needed.
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