combinations

A restaurant offers the following options: Starter – soup or salad Main – chicken, fish or vegetar

A restaurant offers the following options: Starter – soup or salad Main – chicken, fish or vegetarian Dessert – ice cream or cake How many...
Thread by: math_celebrity, Feb 2, 2024, 0 replies, in forum: Calculator Requests

How many straight lines can be formed by 8 points of which 3 are collinear?

The formula is nC2 - rC2 + 1 In this problem: n = 8 and r = 3 8C2 = 28 3C2 = 3 Evaluating, we have: 28 - 3 + 1 26 [MEDIA]
Thread by: math_celebrity, Jan 4, 2024, 0 replies, in forum: Calculator Requests

How many unique letter arrangements in the word, Mississippi?

Use our letter arrangement calculator: [MEDIA]
Thread by: math_celebrity, Jan 4, 2024, 0 replies, in forum: Calculator Requests

One thousand people in. room decide to shake hands with every other person in the room. Instead of o

One thousand people in. room decide to shake hands with every other person in the room. Instead of one handshake per couple, each person must...
Thread by: math_celebrity, Feb 13, 2023, 0 replies, in forum: Calculator Requests

If 100 people are required to introduce themselves to each other and shake hands with each person on

If 100 people are required to introduce themselves to each other and shake hands with each person one time, how many handshakes will take place?...
Thread by: math_celebrity, Feb 12, 2023, 0 replies, in forum: Calculator Requests

Five players are going to be picked to start a basketball game. If there are 13 players on the team,

Five players are going to be picked to start a basketball game. If there are 13 players on the team, how many different combinations of 5 starting...
Thread by: math_celebrity, Feb 12, 2023, 0 replies, in forum: Calculator Requests

Eight people have volunteered for a secret mission that requires only 3 people. How many different c

Eight people have volunteered for a secret mission that requires only 3 people. How many different combinations are possible? We want 8...
Thread by: math_celebrity, Feb 12, 2023, 0 replies, in forum: Calculator Requests

A music camp with 50 students decided to break the students into barbershop quartets to see which co

A music camp with 50 students decided to break the students into barbershop quartets to see which combination of four students sounded the best....
Thread by: math_celebrity, Feb 12, 2023, 0 replies, in forum: Calculator Requests

Mrs. Lopez gave a homework assignment over summer vacation to read three books from the following li

Mrs. Lopez gave a homework assignment over summer vacation to read three books from the following list: a) Call of the Wild b) Wuthering Heights...
Thread by: math_celebrity, Feb 11, 2023, 0 replies, in forum: Calculator Requests

Dale has a box that contains 20 American quarters and 20 Canadian quarters. If he takes them from th

Dale has a box that contains 20 American quarters and 20 Canadian quarters. If he takes them from the box one at a time, how many must he remove...
Thread by: math_celebrity, Jan 23, 2023, 0 replies, in forum: Calculator Requests

THE PLAYER CHOSE 20 OUT OF 70 NUMBERS IN A GAME OF CHANCE. ...WHEN THE SHOW BEGIN,THE BANKER WILL

THE PLAYER CHOSE 20 OUT OF 70 NUMBERS IN A GAME OF CHANCE. ...WHEN THE SHOW BEGIN,THE BANKER WILL THEN RAFFLE OR DO A DRAW WHERE IN THE BANKER...
Thread by: math_celebrity, Oct 6, 2021, 0 replies, in forum: Calculator Requests

There are 24 competitors in a cycling race. How many different selections are possible for first and

There are 24 competitors in a cycling race. How many different selections are possible for first and second place? We want unique combinations,...
Thread by: math_celebrity, Aug 26, 2021, 0 replies, in forum: Calculator Requests

How many ways can a basketball coach choose to the first five player from a group of 15 players

How many ways can a basketball coach choose to the first five player from a group of 15 players We use combinations. We want 15 choose 5. We...
Thread by: math_celebrity, Jan 16, 2021, 0 replies, in forum: Calculator Requests

a license plate has 3 letters followed by 4 numbers

a license plate has 3 letters followed by 4 numbers There are 26 letters A-Z and 10 numbers 0-9. So we have: 26 * 26 * 26 * 10 * 10 * 10 * 10...
Thread by: math_celebrity, Oct 12, 2020, 0 replies, in forum: Calculator Requests

Suppose you are asked to choose three movies. If there are 20 different movies, in how many ways can

Suppose you are asked to choose three movies. If there are 20 different movies, in how many ways can the three movies be chosen? We want unique...
Thread by: math_celebrity, Sep 20, 2020, 0 replies, in forum: Calculator Requests

How many 4 person committees can be formed from a group of 11 people

How many 4 person committees can be formed from a group of 11 people We want 11 choose 4, or 11C4. We type 11C4 into our search engine and we...
Thread by: math_celebrity, Aug 6, 2020, 0 replies, in forum: Calculator Requests

A bag contains 8 marbles of different colors. How many ways unique ways or orders can you select 3 m

A bag contains 8 marbles of different colors. How many ways unique ways or orders can you select 3 marbles? We want the combinations formula, 8...
Thread by: math_celebrity, Aug 3, 2020, 0 replies, in forum: Calculator Requests