paulacastanedatrinid paulacastanedatrinid

12-08-2021
Mathematics

contestada

What is the 21st term of the sequence with a1 = -6 and d = 4?

a) 70
b) 74
c) -40
d) 78

Respuesta :

mwabamwaba2004 mwabamwaba2004

12-08-2021

Answer:

74

Step-by-step explanation:

for this question you have to use the formula of the nth term which is Tn=a+(n-1)d,

T21=-6+(21-1)4

=-6+(20)4

=-6+80

=74

I hope this helps

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