Arren practiced piano 555 days this week. He practiced \dfrac34
4
3
start frac...
Mathematics, 20.05.2021 20:20 ramamullapudi3639
Arren practiced piano 555 days this week. He practiced \dfrac34
4
3
start fraction, 3, divided by, 4, end fraction of an hour each day.
How many hours did Darren practice piano this week?
hours
Answers: 1
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If a(0,0,0) and b(2,2,2) are points in coordinate space, how many paths are there from a to b that move from one lattice point to another in the positive x-,y- or z- direction?
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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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