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SIZIF [17.4K]
3 years ago
10

A college writing seminar increased its size by 5o% from the first to the second day. if the total number of students in the sem

inar on the second day was 15, how many students were in the class on the first day?
SAT
1 answer:
sveta [45]3 years ago
4 0
8 people were in class on the first day.
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Answer:es, the answer is 61. This is related to a mathematical principle called the Pigeonhole Principle, which states that if you are trying to sort  n+1  objects into k sets (where nk=r;n,k,r∈Z+), at least one set must contain at least r+1 objects. (This can be proven by proof by contradiction, but is pretty standard and so generally can just be used as justification of an answer by itself.)

For your problem, you have 12 signs of the zodiac - these are your 12 sets (so k=12). You are looking to find how many it takes before a set contains 6 objects (so r+1=6 and thus r=5). Therefore, n+1=r×k+1=12×5+1=61.

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Using the accrual method, the unearned revenue as of December 31 is $12,000.

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Unearned revenue can be defined as the amount a company received from their client for the service they are yet too rendered.

Since the company has received full balance for the services not yet provided. The unearned revenue as of December 31 will be $12,000.

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Note tha the option that describes the female pelvis compared to that of the male is; " The distance between the female ischial spines is greater." (Option B)

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