encofficialpriowjoam encofficialpriowjoam

24-01-2019
Mathematics

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write an expression that can be used to find the nth term of the arithmetic sequence 15,30,45,60.. then write the nextthree terms.

Respuesta :

jcherry99 jcherry99

26-01-2019

Answer:

Step-by-step explanation:

15, 30, 45, 60 ... (15 + (n - 1)*15 ) ...

n = 5

15 + (5 - 1)*15

15 + 4 * 15

15 + 60

75

n = 6

15 + (6 - 1)*15

15 + 5*15

15 + 75

90

n = 7

15 + (7 - 1)*15

15 + 6*15

15 + 90

105

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