Mathematics, 21.07.2019 08:30 jdsfdujfi1598
Which statement describes a parallelogram that must be a square? a parallelogram with opposite sides that are congruent and diagonals that bisect the angles. a parallelogram with a right angle and diagonals that bisect the angles. a parallelogram with a right angle and opposites sides that are congruent. a parallelogram with all sides congruent.
Answers: 2
Mathematics, 21.06.2019 15:00, lm18618
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 17:30, emmilicious
Me with this one question, and i'll upvote the brainliest answer
Answers: 2
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