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The common ratio in the geometric progression is the ratio of any one phrase in the series divided by the preceding term. The common ratio in this situation is 1.05.
<h3>What is the common ratio?</h3>The common ratio in the geometric progression is the ratio of any one phrase in the series divided by the preceding term. It is usually symbolized by the letter "r."
The given data in the problem will be;
Enrollment in the drama club increases by 5% each year
If the value of old enrollment is x and the value of new enrollment is y then
The common ratio in the new and old is found by;
Hence C is correct. The common ratio in this situation is 1.05.
To learn more about the common ratio refer to the link;
Answer:
Step-by-step explanation:
GIVEN: A bibliophile plans to put a total of seven books on her marble shelf. She can choose these seven books from a mixture of works from Antiquity and works on Post-modernism, of which there are seven each.
TO FIND: If the shelf must contain at least four works from Antiquity, and one on Post-Modernism, then how many ways can he select seven books to go on the shelf.
SOLUTION:
Total number of books available
As there must be at least books on Antiquity and
on Post-modernism
Therefore,
when there are Antiquity books and
on Post-modernism.
total ways of selection
when there are Antiquity books and
on Post-modernism.
total ways of selection
when there are Antiquity books on
books on Post-modernism.
total ways of selection
Total ways of selection are
Hence the total ways of selection such that there are at least books on Antiquity and
on Post-modernism.