Mathematics, 11.05.2021 17:50 sar70
A surveyor wants to conduct a poll to see how many people purchase records at the mall.
Which polling method is likely to be biased?
Polling 30 random people in the mall each day for 5 days.
Randomly polling 500 people in the mall on one day.
Polling every third person in the food court.
Polling every other person that exits the music and entertainment store.
Answers: 3
Mathematics, 21.06.2019 21:50
Which of the following equations is equivalent to x/3-6/x=1
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Mathematics, 21.06.2019 22:30
Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14
Answers: 1
Mathematics, 21.06.2019 22:40
Which of the following circles have their centers on the x-axis? check all that apply.
Answers: 1
Mathematics, 21.06.2019 23:00
Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?
Answers: 1
A surveyor wants to conduct a poll to see how many people purchase records at the mall.
Which polli...
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