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What is the common difference between the elements of the arithmetic sequence below? -18, -22.5,-27,-31.5,-36

What is the common difference between the elements of the arithmetic sequence below? -18, -22.5,-27,-31.5,-36
asked 217k views
3 votes
What is the common difference between the elements of the arithmetic sequence below? -18, -22.5,-27,-31.5,-36

asked
User Big Green Alligator
by
7.7k points

2 Answers

5 votes

Answer:

-4.5

Explanation:

answered
User Silentavt
by
8.8k points
4 votes
a₁ = -18
a₂ = -22.5

d = a₂ - a₁
= -22.5 - (-18)
= -22.5 + 18
= -4.5
answered
User Koninos
by
8.6k points
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