![subject](/tpl/images/cats/mat.png)
Mathematics, 29.07.2020 17:01 MeTooFoodYum
The cost, cx), in dollars per hour of running a trolley at an amusement park ismodelled by the function c(x) = 2.1x2 - 12.7x + 167.4, where x is the speed in kilometres per hour. At what approximate speed should the trolley travel to achieve minimum cost?
![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 16:00
Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
The cost, cx), in dollars per hour of running a trolley at an amusement park ismodelled by the funct...
Questions
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
History, 14.12.2020 01:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 14.12.2020 01:00
![question](/tpl/images/cats/mkx.png)
Arts, 14.12.2020 01:00
![question](/tpl/images/cats/mkx.png)
Arts, 14.12.2020 01:00
![question](/tpl/images/cats/health.png)
Health, 14.12.2020 01:00
![question](/tpl/images/cats/biologiya.png)
Biology, 14.12.2020 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 14.12.2020 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 14.12.2020 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 14.12.2020 01:00
![question](/tpl/images/cats/en.png)
English, 14.12.2020 01:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/pravo.png)
![question](/tpl/images/cats/es.png)
Spanish, 14.12.2020 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 14.12.2020 01:00