The local business will donate $5.00 for every 10 tickets

Mathematics

1 answer:

motikmotik3 years ago

3 0

Answer:

student B is correct

Step-by-step explanation:

we know that 5 dollars will be donated for every 10 tickets sold. so we know that y is dollars donated so if we plug it in, we have 5 =_x . and we know that x represents tickets sold so 10 tickets are sold for 5 dollars donated so now we have 5 = _×10 and now we just fill in the blank, 1/2 times 10 equals 5 so student b is correct

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a committee has eleven members. there are 3 members that currently serve as the boards chairman, ranking members, and treasurer.

miss Akunina [59]

Answer:

$\frac{1}{990}$

Step-by-step explanation:

The full question:

"A committee has eleven members. there are 3 members that currently serve as the boards chairman, ranking members, and treasurer. each member is equally likely to serve in any of the positions. Three members are randomly selected and assigned to be the new chairman, ranking member, and treasurer. What is the probability of randomly selecting the three members who currently hold the positions of chairman, ranking member, and treasurer and reassigning them to their current positions?"

The permutation of choosing 3 members from a group of 11 would be:

P(n,r) = $\frac{n!}{(n-r)!}$