3 years ago

How many different committees of 4 people can be chosen from a group of 21?

1 answer:

4 0

Answer:

There are 21 ways to choose the first person, 20 ways to choose the second, 19 ways for the third and 18 ways for the fourth so the answer is 21 * 20 * 19 * 18 = 143640.

You might be interested in

Annalise charges a certain rate per hour to tutor. The number of hours she tutored last week are listed below. Monday 3.5 hours,

jeyben [28]

31.5 hours for $135
$135 \div 31.5 = 4.286$
Annalise charges about 4.29 per hour.

4 0

3 years ago

What is 10(n−2p+2) because i dont know the answer

Zigmanuir [339]

10n - 20p + 20

could i get a heart and branliest

6 0

2 years ago

Read 2 more answers

Suppose the radius of a circle is 5.what is its diameter

Gnom [1K]

The diameter would be twice 5, or 10

8 0

3 years ago

Read 2 more answers

The book fair sells 185 books and 58 posters how many more books than posters did they sell

PtichkaEL [24]

Answer:

127 more posters than books.

Step-by-step explanation:

185-58=127

3 0

3 years ago

What is the slope of the line that passes through the points (2, 2), and (4,2)

vfiekz [6]

Answer:

There is no slope. $m=0$

Step-by-step explanation:

$m=\frac{rise}{run}=\frac{2-2}{4-2}=\frac{0}{2}=0$

(2, 2) and (4,2) makes a horizontal line. All horizontal lines on a graph have no slope.

6 0

3 years ago