Mathematics, 29.06.2019 12:00 jaimechristopher2002
One hundred people were surveyed about their preference. they had to choose between french toast and pancakes and between sausage and bacon. the results are shown in the table below. category french toast pancakes sausage 25 21 bacon 23 31 1. what is the probability that a randomly selected person from the survey prefers bacon? 23/100, 31/00, 27/50, or 23/50 2. what is the probability that a randomly selected person from the survey prefers bacon or pancakes? 3/4, 53/50,1/4 or 11/25 3. what is the probability that a randomly selected person from the survey prefers bacon and pancakes? 7/25,3/4, 69/100 or 31/100 4. what is the probability that a randomly selected person from the survey prefers french toast given that they prefer french toast? 1/4, 25/46, 12/25 or 23/50 5. what is the probability that a randomly selected person from the survey prefers sausage given that they prefer french toast? 24/25, 31/100, 1/4 or 25/48
Answers: 2
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Mathematics, 21.06.2019 23:40
Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.
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