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

-(5n-9)+3n=-2(5n-20) what is n?

Marks from the lecturer that would help you follow his lecture

Question #5 Multiple Choice Suppose this is your user-defined data type. class player: life = 3 magic = False name = " Which statement creates an instance of yo

Both Roosevelt and Wilson supported civil rights. True False

Select all quantities that are proportional to the diagonal length of a square. A. Area of a square B. Perimeter of a square C. Side length of a square

find the answer for 10 + 10

Each of the following is an investment consideration EXCEPT: A. risk B. return C. publicity D. liquidity Please select the best answer from the choices provided

Solve z = -10x, for x.

The boys combine their cans and take them to the local recycling center at the end of the three months. If the recycling center pays $ 0.40 per pound for alumin

Write a summary about robots on earth these are my last points Explosions. Car chases. A man and woman, drenched in sweat, limping from a building as it crumble