IT'S FALSE!! All the sides of a scalene triangle are UNEQUAL. YOU'RE WELCOME :D
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
X 3
-- = --
8 7
Cross Multiply
7x = 24
Divide
x = 3.2485...
A
4x2+36x+72
8+36x+72
80+36x
x=20/9