1)the mean of a, b, c, d, and e is 86. The mean of a, b, and c is 80 What is the mean of d and e?
1 answer:
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Answer:
<h2> a₅ = 162</h2>Step-by-step explanation:
The nth term in the geometric sequence:
a₁ = 2 and r = 3
So:
First, simplify
Second, multiply both sides by 36. / Your problem should look like:
Third, multiply both sides by -1. / Your problem should look like:
Fourth, switch your sides. / Your problem should look like:
Answer: C) 21