Answer:
30,240 ways, if I am restricted to using A, B, and C for letters
Step-by-step explanation:
This uses Combinatorics from Discrete Math.
so.
3 letters and 4 digits.
26 letters from alphabet, but you want to choose first letters. no repeats...
Does this mean only letters A, B, and C ?
digits from 10 digits...
I imagine 7 empty slots , and the number of ways they occur together is by the product of the number of choices each box has.
3*2*1 * 10*9*8*7 = 6 * 5040 = 30,240 ways
Answer:
R' (3,-3)
Step-by-step explanation:
Answer:
-11x +2
Step-by-step explanation:
1. Add:
4x-7 - 15x + 9
4x + 2 - 15x
2. Combine like terms:
4x +2 - 15x
-11x +2
Bye, have a great day/night.