Seudónimo Seudónimo

21-02-2021
Mathematics

contestada

How many ways can you choose a manager and assistant from 7-person task force? *

Respuesta :

faisal4craft7 faisal4craft7

21-02-2021

We are interested in selecting 2 people from the 7-person task force.

n = 7
r = 2

nPr = n! / (n-r)!

7!
------
(7-2)!

=
7!
----
5!

7×6×5×4×3×2×1
------------------------
5×4×3×2×1

= 7×6

= 42

Answer Link

Otras preguntas

If 0.0106 g of a gas dissolves in 0.792 L of water at 0.321 atm, what quantity of this gas (in grams) will dissolve at 5.73 atm?

Which of the following statements about the Antarctic Circumpolar Current is correct? A. It transports heat from the North Atlantic to the Indian Ocean. B.

Dr.Micheal prescribes 300 mg a day of medicine to a patent. Each pill has 15mg of medicine. How many pills will the patent need for 7 days

According to the diagram which way is the magnetic field pointing ?

The best way to find out if a particular business is a good fit for you is to A. "shadow" an owner for several days to see what's really involved. B.

What is the answer for this question

The times for three swimmers are 101.85 seconds, 101.6 seconds, and 59.625 seconds. Which is the winning time? how many seconds

Help me show work please

Another name for a hexahedron is

The scale drawing of a swimming pool measures 2 inches by 3 inches. On the drawing .25 inches =3feet. What actual dimensions of a pool?