![subject](/tpl/images/cats/mat.png)
Mathematics, 17.04.2020 20:18 emilyy47
A freight train is half a mile long. It approaches a tunnel traveling 60mi/hr. If the tunnel is 1 mile long, how long will it take the train, at that speed, to pass completely through?
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:30
Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2
Answers: 3
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?
Answers: 1
You know the right answer?
A freight train is half a mile long. It approaches a tunnel traveling 60mi/hr. If the tunnel is 1 mi...
Questions
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 14.07.2020 16:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 14.07.2020 16:01
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
English, 14.07.2020 16:01
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 14.07.2020 16:01
![question](/tpl/images/cats/mat.png)