Mathematics, 20.07.2019 06:00 trinidadevelyn
The teacher of a seventh-grade class flipped a coin 100 times. the students recorded the results in the table shown below: side of coin landed on heads tails number of flips 52 48which of the following best describes the experimental probability of getting tails? a) the experimental probability is 2% lower than the theoretical probability. b) the experimental probability is the same as the theoretical probability. c)the experimental probability is 2% higher than the theoretical probability. d)the experimental probability cannot be concluded using the data in the table.
Answers: 1
Mathematics, 21.06.2019 15:50
Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20
Answers: 2
Mathematics, 21.06.2019 17:30
Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor of ? why or why not? yes, because ab and cd are each the lengths mn and qp. yes, because sides ab and cd are parallel to sides mn and qp. no, because ab is the length mn but cd is the length qp. no, because sides ab and cd have different slopes from sides mn and qp.
Answers: 1
The teacher of a seventh-grade class flipped a coin 100 times. the students recorded the results in...
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