Let x℅
so , 20×X/100=12
......x=1200/20 = 60 ℅ ...answer !
Answer:
Step-by-step explanation:
Fibro dndhdjdjdjudjdhdhdjd
Answer:
(−∞,0) (0,∞)
Step-by-step explanation:
The underlying arithmetic progression is
-15, 0, 15, 30, ...
starting with
and with a common difference of
between terms. Recursively, this sequence is given by

So we have



and so on, so that the explicit rule for the sequence is

for
.
The series consists of 15 terms, since

So we have

and the answer would be B.