Helppp plzz A semi–circle with points A and B is shown below.
When the semi–circle is ro...
Mathematics, 20.05.2020 02:58 Slay2020
Helppp plzz A semi–circle with points A and B is shown below.
When the semi–circle is rotated about the side AB, which of the following three–dimensional figures is created?
A. cone
B. cylinder
C. cube
D. sphere
Answers: 2
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Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.
Answers: 2
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