![subject](/tpl/images/cats/mat.png)
Mathematics, 10.11.2020 21:20 trosclairozlynn02
Please, help me :) A train leaves Chicago traveling west at 60 miles per hour. An hour later, at 12 noon, another train leaves Chicago and travels east at 80 miles per hour.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:00
Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain
Answers: 2
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 04:30
If f(x)=x^2- 4 and g(x)=x^2 plus 2 x, (c) (f-/3) = ? (simplify your answer.)
Answers: 1
You know the right answer?
Please, help me :)
A train leaves Chicago traveling west at 60 miles per hour. An hour later, at 12...
Questions
![question](/tpl/images/cats/es.png)
Spanish, 31.08.2019 02:40
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 31.08.2019 02:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2019 02:40
![question](/tpl/images/cats/fizika.png)
Physics, 31.08.2019 02:40
![question](/tpl/images/cats/biologiya.png)
Biology, 31.08.2019 02:40
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 31.08.2019 02:50
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 31.08.2019 02:50
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 31.08.2019 02:50
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2019 02:50
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2019 02:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 31.08.2019 02:50
![question](/tpl/images/cats/geografiya.png)
Geography, 31.08.2019 02:50
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2019 02:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2019 02:50
![question](/tpl/images/cats/mat.png)
Mathematics, 31.08.2019 02:50