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 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

HURRRYYYY PLEASE ANSWER SUPER QUICK The table shows the relationship between x and y. X 2 6 10 y 8 12 16 20 Select from the drop-down menu to correctly complete
Find the mass of a child who runs at a speed of 4 m/s to get a pizza with extra cheese. His momentum is 120 kg•m/s.
There are 13 buttons in a bag 9 buttons are white. 4 buttons are black Carol takes a button at random from the bag, and keeps it She now takes another button fr
Use the product rule to simplify a ^7 x a ^11
O 3 o A. - B. 2 OC 3 mly O D. -2
Need help in math ASAP
in need of help please :)
PLEASE HELP ASAP Nguyen has the following cans of soup in his pantry: • 4 cans of chicken noodle soup • 2 cans of tomato soup • 3 cans of vegetable soup • 3 can
Matching Parts of Speech
What determines whether or not a substance will dissolve?.