Answer: A) 1716 B) 1235520
Step-by-step explanation:
- If order doesn't matter , then we use combinations, where the number of combinations of selecting r things from n is given by :-
- If order matters , then we use permutations, where the number of permutations of selecting r things from n is given by :-
Given, Total distinct letters = 13
To choose = 6 letters
A) Number of ways to choose (if order does not matter)=
B) Number of ways to choose (if order matters)=
Hence, A) 1716 B) 1235520
Answer:
x=1 1/18
Step-by-step explanation:
7(x+8)+4=-11(x-8)-9
distribute- 7x+56+4=-11x-88-9
7x+60=-11x+79
subtract 60 from both sides (60),(79)
7x=-11x+19
add 11x on both sides
18x/18 and 19/18
which gives you x=1 1/18 or 19/18
15?im not sure...but I think thats right
Answer:
if you set b and a to the same number it would be equal to 2
Step-by-step explanation: