Q: How many different selections of 4 books can be made from a bookcase displaying 12 books?

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Because they are different books :) ... i like helping people

6c4=15

There are 30 different combinations if the order in which the books were chosen counts, so a set of book A and book B is considered different from a set of book B and book A. There are 15 different combinations if it does not matter in which order the books were chosen, so a set of book A and book B is considered the same as a set of book B and book A.

The Bible was written from around 1445 BC -- 96 AD. Different books were written at different times the Old Testament first and then the New Testament

81

Related questions

Essentially a bookshelf and a bookcase describe the same thing - a storage space for books. There are different types - bookshelves may more accurately describe an open storage bookcase, or shelves directly attached to the wall. A bookcase can describe a standalone unit that houses books. But to be honest, these days both terms are used interchangeably.

in a bookcase

Yes, "bookcase" is a noun. It refers to a piece of furniture with shelves used for storing books.

She needs a bookcase to hold all of her college textbooks. I found my missing glasses behind the bookcase in my room. Because the bookcase holds family photos and other keepsakes, there's no room left for books.

Bookcase.

9880.

9880.

The bookcase stretched its wooden arms wide, welcoming each new book with a sigh of satisfaction. Its shelves hummed with the stories and knowledge they held, standing tall and steadfast like a faithful guardian of literature.

The subject of the sentence is books.

A wall mounted bookshelf can hold more books than a normal bookcase. A wall mounted bookshelf receives support from the wall which enables it to hold more books than a regular shelf.

to get a free dragon you have to place all the books of Magnificent wall in your bookcase

Three desks and a bookcase together weigh 157 lb. The bookcase weighs 34 lb, so each desk weighs 41 lbs.