Mathematics, 09.11.2019 00:31 enrique3300
Is diet or exercise effective in combating insomnia? a. some believe that cutting out desserts can alleviate the problem, while others recommend exercise. b. forty volunteers suffering from insomnia agreed to participate in a month-long test. c. half were randomly assigned to a special no-desserts diet; the others continued desserts as usual. d. half of the people in each of these groups were randomly assigned to an exercise program, while the others did not exercise. e. those who ate no desserts and engaged in exercise showed the most improvement.
Answers: 3
Mathematics, 21.06.2019 13:30
Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?
Answers: 1
Mathematics, 21.06.2019 17:10
The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable
Answers: 2
Mathematics, 21.06.2019 17:20
The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6
Answers: 3
Mathematics, 21.06.2019 19:40
What is the slope of the line that contains the points (-2,1) and (0,-3)
Answers: 2
Is diet or exercise effective in combating insomnia? a. some believe that cutting out desserts can...
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