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Rufina [12.5K]
3 years ago
11

2. Students who wish to represent the school at a school board meeting are asked to stop

Mathematics
1 answer:
ella [17]3 years ago
3 0

Answer: Biased sample

Step-by-step explanation:

This is a biased sample because only students with strong opinions are likely going to volunteer or show interest in representing the school at the board meeting. This sample is a voluntary type sample, and at such the conclusion is not valid. This sample is biased because a group or population of students have a higher or lower sampling probability.

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4 x (2 x 7) = (4 x 2) x ___
natka813 [3]

Answer:

x=0

Step-by-step explanation:

8 0
3 years ago
a train is traveling from New Orleans to Memphis at a constant speed of 79 miles per hour.New Orleans and Memphis are 395.1 mile
alexdok [17]
Just use the formula time = distance / speed

395.1/79= 5.001

It will take the train approximately five hours to reach Memphis
5 0
3 years ago
An amusement park opens daily at 9:30 a.m. This morning the parking lot for the amusement park opened at 8:00 a.m. At 9:00 a.m.,
Eddi Din [679]

Answer:

An exponential function

Step-by-step explanation:

So let's suppose that at 9:00 am there were 132 cars. We'll call this P_0

P_{0}=132

On the next half an hour, let's say at 9:30, the number of cars trippled, this is:

P_{1}=132*3=396

the next half an hour, at 10:00 am, the number of cars trippled, this is:

P_{2}=132*3*3=1188

and finaly, at 10:30am, the number of cars trippled again, so:

P_{3}=132*3*3*3=3564

We can now see a pattern there which can be simplified as:

P(n)=P_{0}(3)^{n}

or

P(n)=132(3)^{n}

where:

P_{0}=initial number of cars

n=number of half hours after 9:00 a.m

P_{n}= number of cars after n number of half hours.

That function we found there is an exponential function, which represents an initial amount being multiplied by the same number several times.

4 0
3 years ago
Read 2 more answers
"-5 increased by one-half of a number is a<br> maximum of 3."
DanielleElmas [232]
This is True this statement so it’s true it would be -5 inclrease by 3
4 0
3 years ago
How do you write the point slope form of the equation given (1,9) and (-2,-2)?
Ahat [919]

Answer:

Step-by-step explanation:

(1,9) and (-2,-2)

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m = {y2 - y1}/{x2 - x1}

m= {-2 - 9}/{-2 - 1}

m = -11/-3

m = 11/3

4 0
3 years ago
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