Using the midpoint formula find BC if B(8,-7) and C(-4,-2)
1 answer:
You might be interested in
Answer:
1. 75582
2. 3047466240
Step-by-step explanation:
1. If order does not matter, this is a combination problem. You are choosing 8 sticks from a set of 19. (Octagons have 8 sides.)
The formula for combinations of n things chosen r at a time "n choose r" is
2. If order matters, there are more possibilities. This is a permutation problem. The number of permutations of 19 things taken 8 at a time, "19 permute 8" is