Mathematics, 23.05.2020 03:57 heidibode
(a) There are $n$ chairs in a row. Find the number of ways of choosing $k$ of these chairs, so that no two chosen chairs are adjacent.
(b) There are 10 chairs in a circle, labelled from 1 to 10. Find the number of ways of choosing 3 of these chairs, so that no two chosen chairs are adjacent.
(c) There are $n$ chairs in a circle, labelled from 1 to $n.$ Find the number of ways of choosing $k$ of these chairs, so that no two chosen chairs are adjacent.
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 14:40
Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4
Answers: 2
Mathematics, 21.06.2019 18:30
How to use order of operation in 20 divide by 4 multiply 5 = 1
Answers: 1
Mathematics, 21.06.2019 19:00
Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.
Answers: 3
Mathematics, 21.06.2019 20:00
Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line
Answers: 1
You know the right answer?
(a) There are $n$ chairs in a row. Find the number of ways of choosing $k$ of these chairs, so that...
Questions
Chemistry, 18.01.2021 23:20
Mathematics, 18.01.2021 23:20
Mathematics, 18.01.2021 23:20
World Languages, 18.01.2021 23:20
Social Studies, 18.01.2021 23:20
Physics, 18.01.2021 23:20
SAT, 18.01.2021 23:30
Mathematics, 18.01.2021 23:30
