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

Two friends are carrying a 200-kg crate up a flight of stairs. The crate is 1.25 m long and 0.500 m high, and its center of gravity is at its center. The stairs

write topic : why do you choose to be a teacher ?

Which is these came first, the chicken or the egg?

4. A turtle crawls 567 mm in 27 minutes. How far (measured in cm) can the turtle crawl in a minute?

Find the axis of symmetry of the graph of y = x2 + 2x + 2 A- x= 1 B- y=1 C- x= -1 D- y=-1

what is laxmi mainali from birtamode jhapa eden garden education Foundation

worth 10pts can someone help?

to Separate camphor from sand we use_______process.

What is the freezing point in °C) of a 0.743 m aqueous solution of KCI? Enter your rounded answer with 3 decimal places. K; for water = 1.86 °C/m

Explain the four advantages of using the internet prudently.a. b. c. d.