3 years ago

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

1 answer:

5 0

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

You might be interested in

How do you get -2 using 2,3,and 4

jarptica [38.1K]

Can you please show a picture of your problem so i can better understand it

7 0

3 years ago

Read 2 more answers

Jeannette has $5 and $10 bills in her wallet. the number of fives is three more than six times the number of tens. let t represe

sergejj [24]

Use the expression:

f=fives

t=tens

f+3=6t

f=6t-3

3 0

3 years ago

Someone please help me ! Its past due and Ive been busy.. D:

oee [108]

Answer:

It's okay the first answer is right, $0.15

The store makes $4.20 off the rope

Step-by-step explanation:

4 0

3 years ago

Helpppppppp me plssss

lora16 [44]

Answer:

4x(3x^2-x+5)

Step-by-step explanation:

12x^3-4x^2+20x

=4x(3x^2-x+5)

8 0

3 years ago

A chameleon's tongue is twice the length of its body.

Softa [21]

Answer:

52 inches

Step-by-step explanation:

26 x 2 is 52

6 0

2 years ago

Read 2 more answers

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

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