kayleee2162 kayleee2162

03-08-2017
Mathematics

contestada

How many ways are there to distribute n graded homeworks to n students such that none of them gets their own homework back?

Respuesta :

mperemsky mperemsky

03-08-2017

Assume N students

Student 1 can get (n-1) papers
Student 2 can get (n-1) papers
Student 3 can get (n-1) papers
etc
Student N can get (n-1) papers

So for N students you can have N(n-1)

Answer Link

Otras preguntas

What is the recommended amount of if protection that sunglasses should provide

Aztex inc., an automobile manufacturing firm, merges with blaze inc., a firm that manufactures tires, in order to limit the uncertainty of fluctuating supply of

What is an example of a historical, literary, biblical, and mythological Allusion? I'm giving lots of points for the answer!

What is the climax, or turning point, of the “An Episode of War”?

In terms of technology, software is defined as a computer’s processing capabilities. code that runs computer programs. information processed by a computer. a c

Please explain how to get this answer.

Worrying about a task is a sure way to be sure that it gets done. Please select the best answer from the choices provided. T F

francesca had 32 cups of flour.She used 3/8 of the flour for a recipe.How much flour did Francesca use? Write an equation to model your work.

5/12 - 1/4 simplest form

Ivan pushes a dresser with full drawers across his carpeted floor. What could Ivan do to reduce the amount of friction between the dresser and the floor? Check