taylorwren25 taylorwren25

25-01-2022
Mathematics

contestada

Find the 8th term of the arithmetic sequence.
a1 = 20, d = 5

Respuesta :

semsee45 semsee45

25-01-2022

Answer:

55

Step-by-step explanation:

arithmetic sequence equation: [tex]u_n=a+(n-1)d[/tex]

Therefore, [tex]u_n=20+5(n-1)[/tex]

So the 8th term is when n = 8: [tex]u_n=20+5(8-1)=55[/tex]

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