Answer:
Given,
The annual rate = 8.6%,
Thus, the periodic rate = \frac{\text{Annual rate}}{\text{Number of periods}}
Number of periods
Annual rate
Here, the period is semiannually,
∵ number of semiannual = 2,
Thus, the number of periods = 2,
Hence, the periodic rate = \frac{8.6\%}{2}
2
8.6%
= 4.3%
The answer is 2.15%
Step-by-step explanatio
1st letter can be any of 5 letters
2nd letter can be 5-1 any of 4 letters
5*4 = 20
there are 20 possible passwords
-4n - 5
Step-by-step explanation:
4 - 9
= -5
-5n + n
Combine like terms
= -4n
