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Agata [3.3K]
2 years ago
13

A principal wants to know if students at a particular high school are in favor of a new dress code at their school. The principa

l is not able to ask the opinion of every student at the school, so she needs to select an appropriate sample of the students to represent the high school. Select which sample of students the principal should choose. A Students randomly selected from a list of all students at the school. B Students sitting at randomly selected tables in the library. Students she selects from the hallway between classes. Students selected by the teachers.​
Mathematics
2 answers:
svp [43]2 years ago
8 0

Answer:

student randomly selected from a list of all students at the school

STatiana [176]2 years ago
5 0
Chupapi munyanyo uhhh zaddy
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The water level in a tank can be modeled by the function h(t)=8cos(pi t /7)+11.5, where t is the number of
denis23 [38]

Answer:

NO amount of hour passed between two consecutive times when the water in the tank is at its maximum height

Step-by-step explanation:

Given the water tank level modelled by the function h(t)=8cos(pi t /7)+11.5. At maximum height, the velocity of the water tank is zero

Velocity is the change in distance with respect to time.

V = {d(h(t)}/dt = -8π/7sin(πt/7)

At maximum height, -8π/7sin(πt/7) = 0

-Sin(πt/7) = 0

sin(πt/7) = 0

Taking the arcsin of both sides

arcsin(sin(πt/7)) = arcsin0

πt/7 = 0

t = 0

This shows that NO hour passed between two consecutive times when the water in the tank is at its maximum height

4 0
2 years ago
George says that 4+ a +a+a+b+b=24ab
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Answer:

3a+2b+4

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24ab indicates that there is 24 of unit ab which there is not. there is 4+ 3a+2b

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swat32

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No i don't think you do.

Explanation:

Hope this helps! :)

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