Mathematics, 27.06.2019 23:30, hellicuh
Jamahl wants to celebrate his birthday by roller skating with his friends. he has a total of $45 to buy t tickets. each ticket costs $5. select the equation that matches this situation.
Answers: 2
Mathematics, 22.06.2019 03:00, TheOriginalMeyah
The biologist has a second culture to examine. she knows that the population of the culture doubles every 15 minutes. after 1 hour and 15 minutes, her assistant found that 80,000 bacteria were present. a) what was the size of the initial population? b) predict the size of the culture at t=3 hours. what was the size of the population at 40 minutes? explain and justify your answers. c) create a graph of the population as a function of time. find an equation that can be used to predict the size of the population at any time t. d) examine the rate at which the bacteria culture is growing. how fast is the culture growing after 1 hour? after 1.5 hours? after 2 hours? use a time interval of h = 0.01 hours to estimate these rates. interpret these rates in terms of the context of the problem situation. how do these three rates compare?
Answers: 1
Mathematics, 22.06.2019 03:50, dekarouh
The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?
Answers: 2
Mathematics, 22.06.2019 05:30, bethanybowers4986
Devaughn's age is three times sydney's age. the sum of their ages is . what is sydney's age?
Answers: 1
Jamahl wants to celebrate his birthday by roller skating with his friends. he has a total of $45 to...
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