I had the exact same question.
My wife's contributions are not acknowledged in our group's paper that has me as coauthor. In how many ways can a photographer at a wedding arrange 6 people in a row from a group of 10 people, where the bride and the groom are among these 10 people, if. Should I use constitute or constitutes here? Now we need 5 more persons = 8c5 Thank you.
How to calculate the number of permutations and combinations if k is equal to n? What kind of ships would an amphibious species build? Who is the "young student" André Weil is referring to in his letter from the prison? Why can't modern fighter aircraft shoot down second world war bombers? =80640. Since you are choosing from the bride or the groom, the answer is, One person from bride and groom can be selected by 2c1 way. Why does the wording of how many ways can a photographer 6 people from a group of 10 ask for permutations and not combinations?
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Answer = 2c1 * 8c5 * 6! Making statements based on opinion; back them up with references or personal experience. Thus, there are $80640=(2\cdot6)\cdot8\cdot7\cdot6\cdot5\cdot4$ permutations in this case. How many ways can a photographer at a wedding arrange 6 people in. As you noted, "arrange ... in a row" indicates that order does matter, i.e., we are counting permutations. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. This sort of makes sense.
But the number of permutations is actually $6 \times 15120 = 90720$, since for each combination the bride has 6 possible positions. c) exactly one of the bride and the groom is in the picture? 366,926 students got unstuck by Course Hero in the last week, Our Expert Tutors provide step by step solutions to help you excel in your courses. Terraforming Mars using a combination of aerogel and GM microbes? What wording of the question says I am looking for permutations and not combinations? Different ways of arranging a group of 10 people. In how many ways can 4 people occupy 10 chairs in a row if no two sit on adjacent chairs. In how many ways may 8 people form a circle for a folk dance? Variations: in how many ways can people be arranged, What is the main difference between a decoder and a demultiplexer. Discrete Mathematics and Its Applications | 6th Edition, Discrete Mathematics and Its Applications, 9780072880083, 9780073107790, 9780073312712. $8\cdot7\cdot6\cdot5\cdot4=6720$ ways to choose and arrange the other five people. $2$ ways to choose exactly one of the bride and groom. A photographer can arrange 6 people in a row from a group of 10 people in many ways. How can election winners of states be confirmed, although the remaining uncounted votes are more than the difference in votes? For example, to solve part a), I calculated all the (unique) combinations of 6 people from a group of 10 where 1 is always the bride. MathJax reference. Should I speak up for her? The placement of this problem in the book doesn't make complete sense. To subscribe to this RSS feed, copy and paste this URL into your RSS reader.
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