Question

if an = 9-5n then find d​

Answer 1

Step-by-step explanation:

The Difference (d) = -1

Answer 2

Answer:

d = -5

Step-by-step explanation:

an = 9 - 5n

Let n = 1

a1 = 9 - 5

a1 = 4

Let n = 2

a2 = 9 - 10

a2 = -1

d = a2 - a1

d = -1 - 4

d = -5

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