dancer1804 dancer1804

22-04-2018
Mathematics

contestada

How many different ways can a director select 4 actors from a group of 20 actors?

Respuesta :

Аноним Аноним

22-04-2018

Number of ways = 20C4
Number of ways = (20 x 19 x 18 x 17) ÷ (4 x 3 x 2 x 1)
Number of ways = 116280 ÷ 24
Number of ways = 4845.

Answer: 4845

Answer Link

Otras preguntas

Ida scored an average of 74 marks for Maths and Science. She scored an average of 83 marks for Maths and English. How many more marks did she score in English t

Elizabeth has 87.75 feet of banner paper how many banners can she make that are 11.25 feet long?

Explain the role a pharaoh played in a theocracy.

The Italic button is located on the _____. the Quick Access Toolbar the File tab Mini toolbar status bar

A length of string that is 22 feet long is being cut into pieces that are 1/3 foot long. How many pieces will there be?

CHECK MY ANSWER AND HELP WITH SOME QUESTIONS I BEG YOU! :( 15 POINTS

Help please. I've tried and I just can't figure it out.

Elizabeth has 87.75 feet of banner paper how many banners can she make that are 11.25 feet long?

Which of these endings will not create parallel structure for the following sentence stem? He was sitting, reading, and (10 points) planning for dinner. conside

What is the formula for finding the surface area of a rectangular prism?