keely1975 keely1975

03-02-2018
Mathematics

contestada

In how many ways can you select five people from a group of nine if the order of selection is important?

Respuesta :

teamath333 teamath333

09-02-2018

If the order of the selection is important we will apply the Arrangements formula [tex] A_{n} ^{k}= \frac{n!}{(n-k)!} [/tex].
In our case we will have [tex]A_{9}^{5}= \frac{9!}{4!} =5*6*7*8*9=15120.[/tex]

Answer Link

Otras preguntas

Milwaukee is 121 mi (air miles) due west of Grand Rapids. Maria drives 255 mi in 4.75 h from Grand Rapids to Milwaukee around Lake Michigan. Find her average dr

Compare and contrast a series and parallel circuit. Give at least one way that they are alike and one way that they are different

The tensions leading up to the Civil War were present at the beginning of the nineteenth century. (Points : 2) True False

Between which pair of numbers is the exact product of 379 and 8. A between 2,400 and 2,500 B between 2,400 and 2,800 c between 2,400 and 3,000 d between 2,400 a

Identify two different habitats in a prairie ecosystem.Name one organism found in each habitat.

what is the equivalent to 7.4 kilograms

How did the actions of Daniel Shays and his followers relate to the economic problem of the Confederation period? What was the significance of the movement he l

Many of the people who have come to Mexico City have ended up living in areas _____.

How did the issue of slavery divide the union

how many times is 5 bigger than 0.5?