Mathematics, 17.04.2020 23:37 tykiabrown8111
A student is doing a study on study habits. He needs a random sample of students from every grade level. What is a good way to do this?
A) He could send a questionnaire to every student in Algebra I.
B) He could put a questionnaire on all cars in the senior parking lot.
C) He could send a questionnaire to every student in a senior English class.
D) He could poll all students in a 9th grade, 10th grade, 11th grade, and 12th grade English class.
Answers: 1
Mathematics, 21.06.2019 17:00
Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2
Answers: 3
Mathematics, 21.06.2019 21:00
The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm
Answers: 1
Mathematics, 21.06.2019 21:30
Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)
Answers: 1
A student is doing a study on study habits. He needs a random sample of students from every grade le...
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