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Mathematics, 21.06.2019 20:00
Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11
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Mathematics, 22.06.2019 00:30
Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days
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Mathematics, 22.06.2019 03:50
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?
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Mathematics, 22.06.2019 04:10
Random variables x poisson~ ( a) ,y poisson ~ ( a) . x and y are independent. if 2 1, 2 1. u =2x+ y-1, v=2x- y +1. find: ) cov (u ,v ).
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History, 21.01.2021 20:20
History, 21.01.2021 20:20
Mathematics, 21.01.2021 20:20
Mathematics, 21.01.2021 20:20
Mathematics, 21.01.2021 20:20
Mathematics, 21.01.2021 20:20
Chemistry, 21.01.2021 20:20