Respuesta :

Answer:

d = 5

Step-by-step explanation:

The common difference (d) is the difference between consecutive terms in the sequence and is calculated as

d = - 4 - (- 9) = 1 - (- 4) = 6 - 1 = 11 - 6 = 5

irenemarysamuel

Answer: 5

Step-by-step explanation:

First no (a) = -9

Common difference = second no. - first no.

=-4-(-9)

=-4+9

=5

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