Mathematics, 31.07.2019 15:00 mattybacchetti
Write the equation of a parabola with a vertex at (0,0), a focus at (2,0), and directrix x=-2
Answers: 1
Mathematics, 21.06.2019 15:00
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
Mathematics, 21.06.2019 19:40
If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2
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Mathematics, 22.06.2019 00:30
For the sequence [tex]a_{n} = 2n/(n+1)[/tex], what is the value of [tex]a_{10}[/tex]
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Mathematics, 22.06.2019 01:00
What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5
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Write the equation of a parabola with a vertex at (0,0), a focus at (2,0), and directrix x=-2...
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