Mathematics, 12.10.2019 02:10 Marmama23
The mean hours of sleep that students get per night is 5 hours, the standard deviation of hours of sleep is 1 hour, and the distribution is approximately normal. complete the following sentence. for about 68% of students, nightly amount of sleep is between hours. for about 95% of students, nightly amount of sleep is between hours. for about 99.7% of students, nightly amount of sleep is between hours.
Answers: 3
Mathematics, 21.06.2019 13:30
Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.
Answers: 2
Mathematics, 21.06.2019 14:00
△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .
Answers: 1
Mathematics, 21.06.2019 19:00
Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180
Answers: 1
The mean hours of sleep that students get per night is 5 hours, the standard deviation of hours of s...
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