![kendelllh](/avatars/13456.jpg)
kendelllh
14.06.2020 •
Mathematics
A bag contains ten identical blue marbles and ten identical green marbles. In how many distinguishable ways can five of these marbles be put in a row if there are at least two blue marbles in the row and every blue marble is next to at least one other blue marble
Solved
Show answers
More tips
- P Philosophy Why Did God Create Man and Place Him in Obscurity?...
- S Science and Technology How to Make a Homemade Smoker: The Ultimate Guide...
- S Society and Politics 10 Tips for Boosting Your Self-Esteem...
- C Computers and Internet How to Create a Folder on Your iPhone?...
- G Goods and services How to sew a ribbon: Tips for beginners...
- F Food and Cooking How to Make Mayonnaise at Home? Secrets of Homemade Mayonnaise...
- C Computers and Internet Which Phone is Best for Internet Surfing?...
- F Food and Cooking Everything You Need to Know About Pasta...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
Answers on questions: Mathematics
- M Mathematics Five common one consider the functions f open track...
- M Mathematics Apply the distributive property to create an equivalent expression. \dfrac12(2a - 6b+ 8) = 2 1 (2a−6b+8)=start fraction, 1, divided by, 2, end fraction, left parenthesis, 2,...
- M Mathematics Frank collects souvenirs from places he travels. On a recent trip, he purchased postcards for $2 each and ornaments for $7 each. If he spent a total of $42 on 11 souvenirs, how...
- M Mathematics Course Look at the following number line: - 10 -5 0 5 10 What are two ways to write the inequality graphed? x -1 and -1 XS-1 and -12X x -1 and -1 X x2-1 and -1 5x...
- M Mathematics Does anyone know how to solve this?...
- M Mathematics I’m bored sum1 text me...
- M Mathematics David has available 240 yards of fencing and wishes to enclose a rectangular area. (a) Express the area A of the rectangle as a function of the width W of the rectangle. (b) For...
- M Mathematics Which expression is equivalent to 5^3√6c+7^3√6c, if c ≠ 0...
- M Mathematics A 12 pack of lemonade costs $5.40.how much do each lemonade costs?...
- M Mathematics Please help due in 10 minutes Triangle ABC has vertices located at A( 0, 2), B (2, 5), and C (−1, 7). Part A: Find the length of each side of the triangle. Show your work. Part...
Ответ:
11 different rows.
Step-by-step explanation:
As the marbles are identical, we do not really care for permutations (as we can really not difference them)
If we have 5 blue marbles, we have only one combination.
B-B-B-B-B
If we have 4 blue marbles, we have 3 combinations:
B-B-B-B-G, G-B-B-B-B, B-B-G-B-B
This is because the blue marbles need to be next to another blue one, so from here we can do the same analysis.
If we have 3 of them, we have 3 combinations.
B-B-B-G-G, G-B-B-B-G, G-G-B-B-B
If we have 2 of them, we have 4 combinations
B-B-G-G-G, G-B-B-G-G, G-G-B-B-G, G-G-G-B-B
then we have 1 + 3 + 3 + 4 = 11 combinations
Ответ:
i don't know sorry you tell someone