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nevsk [136]
3 years ago
14

How many ways are there to elect a president, vice-president, and a treasurer from a club of 8 students?

Mathematics
2 answers:
Klio2033 [76]3 years ago
7 0
First the number of ways of selecting 3 students out of 8 is 8*7*6/(3*2*1)=56.
There are 6 ways of arranging the officers, so the total number of ways is 6*56=336
meriva3 years ago
4 0
This would be 8C3   = 8*7*6 / (3*2*1)  =  56 answer
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5 0
3 years ago
Choose all of the following scenarios below that contain biased samples.
Korvikt [17]

Answer:

1 and 3 are biased

Step-by-step explanation:

A biased sample is ond where all individuals were not given equal likelihood of being selected.

Number 1;

Picking students from the cafeteria would lead to sampling bias because not every student from the school eats from the cafeteria. Those she selected can not be used to account for the whole school. Those that use the cafeteria are only a representation of the whole school and not the entire school.

For number 3:

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7 0
3 years ago
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5 0
3 years ago
Solve the following system of equations using the SUBSTITUTION method. Show all your work! x = 2y + 1 x + y = 4
Alexxandr [17]

Answer:

Step-by-step explanation:

4x+y=14

x-2y=8

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3 0
2 years ago
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Answer:

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3. find the slope first so (4-1)/(2-1)= 3/1. then you plug in point C to find the y intercept so y=mx+b would be 2=3(4)+b which makes it so b is -10. the new equation would be y=3x-10

Step-by-step explanation:

4 0
3 years ago
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