cameronpore cameronpore

18-11-2020
Mathematics

contestada

The first term of an arithmetic sequence is -3 and the fifteenth term is 53. What is the common difference of the sequence?
A:14/13
B:25/7
C:4

Respuesta :

aleeshasaji aleeshasaji

18-11-2020

Answer:

C. 4

Step-by-step explanation:

T₁ = -3

T₁₅ = 53

d = (53 - (-3)) / (15 - 1)

= 56 / 14

= 4 (use calculator)

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