ac8954 ac8954
  • 25-06-2021
  • Mathematics
contestada

Can someone help me? It's urgent and thank you!

Can someone help me Its urgent and thank you class=

Respuesta :

Adetunmbiadekunle Adetunmbiadekunle
  • 30-06-2021

Answer:

380 ways

Step-by-step explanation:

Here, we want to use permutations to know the number of ways

mathematically, we have the general formula as;

nPr = n!/(n-r)!

In this case, we have 20 P 2

= 20!/(20-2)! = 20!/18! = 380

Answer Link

Otras preguntas

Simplify 6 to the 5th over 7 to the 3rd all raised to the 2nd power. A: 6 to the 7th over 7 to the 10th B: 6 to the 10th over 7 to the 6th C: 6 to the 3rd ov
A __________ has distinct properties and composition that never vary.
Writing that is inadequately developed often contains repetition and wordy generalities true or false?
Need help !!!!!!!! Please !!!!!!!
When an orange rolls off a table, its potential energy is converted into?
You are a salesperson for worldwide widgets ecah week you earn $200 plus two ninths of your sales what dollor amount of sales do u need this week to earn $500
Does this graph represent a function? Why or why not? A. Yes, because it has two straight lines. B. No, because it fails the vertical line test. C. Yes, because
Whats the difference (-1)-10
A stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. How long are the two pieces?
Which of the following is a good strategy for finding the meaning of an unfamiliar word? (5 points) Put the book down and do something else for at least 30 m