orenken1968 orenken1968
  • 02-12-2017
  • Mathematics
contestada

In how many ways can 4 letters be dropped in 6 mailboxes so that no two letters go in the same box

Respuesta :

Аноним Аноним
  • 02-12-2017
you can cut em in half and then drop them in the mailbox
Answer Link
Аноним Аноним
  • 02-12-2017
If it doesn't matter which letter goes into which box then  its 6! / 4! 2!  = 15 ways
If it does matter then its 6! / 2! = 360 ways
Answer Link

Otras preguntas

Jacob wants to eat 28 servings of protein each week. He eats 4 servings each day. After 3 days,how many servings of protein does Jacob have left to eat in orde
Why was the term political machine used to describe corrupt political systems in the late 1800s?
Which of the following statements is true? A) cool air is less dense than warm air. B) Sound does not require a medium for travel. C) Magnetism is caused by the
the figure below are squares. Find an expression for the area of each shaded region. Write your answer in standard form.
Ellie uses 27 feet of fabric to make 48 doll dresses. she uses the same amount of fabric to make each dress. How many yards of fabric did Ellie use to make each
Make a generalization for the set of polygons
The rainforest contains half of the Earth’s wildlife and at least two thirds of its plant species. It can hold great quantities of water and is very important t
Which factor is NOT a strong piece of evidence for evolution?
A job search should be treated like a full time job. a. True b. False
which situation was a direct challenge to the political and religious authority of the Catholic church