2 years ago

How many different ways can a club choose a committee of 4 from 15 members?

1 answer:

5 0

It is done by this formula

combinations = n! / [r! * (n - r)!]

combinations = 15! / [4! * 11!]
combinations = 15 * 14 * 13 * 12 * 11! / [4! * 11!]
combinations = 15 * 14 * 13 * 12 / 4 * 3 * 2
combinations = 15 * 7 * 13
combinations = 1,365

answer is b

You might be interested in

Solve for x 6.78x - 5.2 = 4.33x + 2.15 HELPPP

Yuri [45]

Answer:

x = 3

Step-by-step explanation:

6.78x - 5.2 = 4.33x + 2.15

6.78x - 4.33x = 5.2 + 2.15

2.45x = 7.35

x = 7.35/2.45

x = 3

Thus, The value of x is 3

-TheUnknownScientist

3 0

2 years ago

In a class of 31 pupils, 19 like apples, 15 like oranges and 4

Natalija [7]

34 “pupils” like both apples and oranges

8 0

3 years ago

The sahara desert cover 3579000 square miles the entire United states is about 40000 square miles larger what is the area of the

TiliK225 [7]

The answer would be 3539000 square miles.

7 0

2 years ago

What is 1/3 of 2/3 1/3 2/9 1/2 1

Romashka [77]

Since the bottom number is the same.

Multiply the top and bottom to get the answer 2/9

1*2=2
3*3=9

8 0

2 years ago

Help Im having a graded test and need help asap

Yakvenalex [24]

Answer:

C = 3.14d

Step-by-step explanation:

From the table,

6.28÷2=3.14

9.42÷3=3.14

15.7÷5=3.14

31.4÷10=3.14

7 0

2 years ago