Mathematics, 25.08.2019 02:30 LUCASEDIE7430
Acargo plane flew to the maintenance facility and back. it took one hour less time to get there than it did to get back. the average speed on the trip there was 220 mph. the average speed on the way back was 200 mph. how many hours did the trip there take?
Answers: 1
Mathematics, 21.06.2019 15:30, alexanderavrett
Find the vertex of the function given below y=x^2-6x+1
Answers: 2
Mathematics, 21.06.2019 18:20, Karamatullah
The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?
Answers: 1
Mathematics, 21.06.2019 21:40, dededese2403
Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0
Answers: 1
Mathematics, 22.06.2019 00:30, aidenbender06
What are the greatest common factor of 75 and 30
Answers: 2
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