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's the other word a weak or lifeless feeling

what is glossities and deficiency

if Xx8=y is the rule,and the value of x is 4, what is the value of y

I figured out the 1st question but I do not understand the second one...please show me step by step! Thank you!

write in decimal form fourteen and eighty-Four hundredths

Solve the quadratic by factoring 2X²-2X-12=0

what is glossities and deficiency

A tree casts a shadow 27 m long. At the same time, the shadow cast by a 66-cm tall statue is 56 cm long. Find the height of the tree to the nearest tenth of a

What's the word for wandering about; tending to move around, travel

What is the answer to 12-2x6+2/2