2(10+10x)=60
Anyone willing to help?...
![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 17:10
How many lines can be drawn through points j and k? 0 1 2 3
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:20
Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driverβs airplane. find var(y) for y as given in the problem
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:30
If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 Γ 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.09.2019 18:30
![question](/tpl/images/cats/fizika.png)
Physics, 22.09.2019 18:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.09.2019 18:30
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.09.2019 18:30
![question](/tpl/images/cats/mat.png)
Mathematics, 22.09.2019 18:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.09.2019 18:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.09.2019 18:30
![question](/tpl/images/cats/geografiya.png)
Geography, 22.09.2019 18:30
![question](/tpl/images/cats/mat.png)
Mathematics, 22.09.2019 18:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 22.09.2019 18:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.09.2019 18:30
![question](/tpl/images/cats/mat.png)
Mathematics, 22.09.2019 18:30