Hello :
the nth term ( general term of an arithmetic sequence is :
An =A1+(n-1)d ....a common difference is : d , A1 : the first terme
A1 = 5 and : d = 1 - 5 = - 4 n = 21
A21 = 5 + (21 -1)(-4)
A21 = 5 - 80 = -75
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Answer:
6/20
Step-by-step explanation:
trust
Answer:
12
Step-by-step explanation:
18 divided my 1.50 is 12
The simplest possible form would be 8/13 which can be found by dividing by 10