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Mathematics, 21.06.2019 14:00
Given that de, df, and ef are midsegments of â–³abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of â–³abc is .
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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.
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Mathematics, 21.06.2019 16:00
You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. which unit of measure is the most appropriate to use in this situation?
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Mathematics, 21.06.2019 16:30
Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15
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