, 18.10.2019 06:30, bankrollbaby01

# Fifteen percent of the students in seventh grade at western middle school have perfect attendance. there are 220 students in seventh grade. how many have perfect attendance?

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Mathematics, 21.06.2019 18:30, QueenNerdy889
Aline of 100 airline passengers is waiting to board a plane. they each hold a ticket to one of the 100 seats on that flight. (for convenience, let's say that the nth passenger in line has a ticket for the seat number n.) unfortunately, the first person in line is crazy, and will ignore the seat number on their ticket, picking a random seat to occupy. all of the other passengers are quite normal, and will go to their proper seat unless it is already occupied. if it is occupied, they will then find a free seat to sit in, at random. what is the probability that the last (100th) person to board the plane will sit in their proper seat (#100)?
Mathematics, 21.06.2019 20:30, hjoe523
1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. $$\frac{5}{x(-2) y9(5)}$$
Mathematics, 21.06.2019 20:30, bullockarwen
Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*
Mathematics, 21.06.2019 22:00, kingalex7575
The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?
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Fifteen percent of the students in seventh grade at western middle school have perfect attendance. t...

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