Question

find the 12th term of the sequence(arithmetic sequence) 5,10,15,20​

Answer 1

Step-by-step explanation:

5,10,15,20..........n

a=5 ,d=10-5=5

$tn = a + (n - 1)d$

$t12 = 5 + (12 - 1)5$

$t12 = 5 + (11)5$

$t12 = 5 + 55 = 60$

$answer \: will \: be \: 60$

Answer 2

Step-by-step explanation:

a = 5 d=10-5=5 n=12

tn= a+(n-1)d

t12=5+(12-1)5

=5+11×5

=5+55

=60