Hannah loves to read. She read 2 pages of a book in a bookstore before she bought it. She graphs her progress on the book since
she bought it and continued reading it.
What is her rate of change?
1 page per minute
3 pages per minute
2 pages per minute
8 pages per minute
What is her rate of change?
1 page per minute
3 pages per minute
2 pages per minute
8 pages per minute
1 answer:
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Answer:
(a) 10!
(b) 9!
(c) 2!9!
Step-by-step explanation:
(a)
Total number of members = 10
We need to line up the ten people.
Total number of ways to arrange n terms is n!. Similarly, total number of ways to line up the ten people is
Therefore the total number of ways to line up the ten people is 10!.
(b)
Let groom is immediate left of the bride it means both will sit together. So we need to arrange peoples for total 9 places (8 of others and 1 of bride and groom).
Therefore the number of ways to line up the ten people if the groom must be to the immediate left of the bride in the photo is 9!.
(c)
Let groom is immediate left of the bride it means both will sit together. So we need to arrange peoples for total 9 places (8 of others and 1 of bride and groom).
Bride and groom can interchange there sits.
Total number of ways to arrange bride and groom = 2!
Therefore the number of ways to line up the ten people if the groom must be next to the bride (either on her left to right side) is 9!2!.