The general term is obtained by starting with the initial value 5 and then subtracting 4 each time you wish to generate a new term:
a2 = second term = 5+(2-1)(-4) = 5+(-4) = 1
General term:
an = nth term = 5+(n-1)(-4)
Thus, the 21st term is 5+(21-1)(-4) = 5 + (20)(-4) = -75 (answer)
For each Head rolled there are 6 possible combinations with a number. Same thing for a Tail .
So there are 12 outcomes in the sample space.
Answer:
The answer is A
Step-by-step explanation:
The answer would be irrational
