BabyJah20 BabyJah20
  • 15-04-2018
  • Mathematics
contestada

There are 56 runners in a race. How many ways can the runners finish first, second, and third?

Respuesta :

jdoe0001 jdoe0001
  • 15-04-2018
[tex]\bf \stackrel{permutation}{_nP_r=\cfrac{n!}{(n-r)!}}\qquad \qquad _{56}P_3=\cfrac{56!}{(56-3)!}[/tex]
Answer Link

Otras preguntas

Kekai has $125 he is planning on saving $50 a week to purchase a new dirt bike. How long would it take Kekai to save at least $500 for his new dirt bike?
isosceles trapezoid abcd has legs sa011-1 and sa011-2 and base sa011-3 if ab=6y-6, bc=4y-7 and cd=7y-12 find the value of y
what is resources and development ​
❗️help me❗️2. Marissa is playing a game using the spinner below. с C Red Blue Red Blue C Which tree diagram shows all the possible outcomes that Marissa can get
Find: m∠1, m∠2, and m∠5 in degrees
A person is interested in determining the effectiveness of the gasoline additive for gas mileage. He compare the gas mileage of the car with and without the add
Marin Golf Stores, Inc. operates a chain of golf equipment stores in the Western United States. In 2017 the company ran a promotion, providing customers with co
Why was it difficult to have accurate time in the Middle Ages? A: The clocks were sundials. B: There were no clocks. C: The people didn't understand time. D: T
Find a and b if the points p(6,0) and q(3,2) lie on the graph of ax + by =12
PLEASE ACTUALLY HELP THXWhich of the following is an irrational number? A 1 /4 B 60 C​