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

Questions: 1. What is your weather forecast? 2. Was your forecast correct? If so, explain why you think you came to the correct conclusion. If not, explain w

A8 x 3B = 2730 What number is A and B? You don't have to explainPlease answer soon

Taxonomy seeks to _____. identify all living things identify all nonliving things organize all living things in a logical manner organize all nonliving things i

What is the greatest common factor of 12 and 16?

pete got 7 items wrong out of 50 on a test. what fraction of the total number of problems did Pete get wrong?

Which of the following statements is true? Select one: a. House slaves lived in greater luxury than field slaves because they were more respected. b. Field slav

From a population of red brown orange yellow and green butterflies only the red and green ones survive since they can blend into their environment and reduce pr

The National _______ Act of 1902, provided proceeds from the sale of public lands for the construction of dams, canals, and irrigation systems in sixteen Wester

How has the airplane changed over time?

what was the most common role for women in sumerian society ??