I need help I do not understand this
...
![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 17:10
The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable
Answers: 2
![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 × 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)
Mathematics, 21.06.2019 18:00
Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
How can you construct perpendicular lines and prove theorems about perpendicular lines
Answers: 3
You know the right answer?
Questions
![question](/tpl/images/cats/fizika.png)
Physics, 03.02.2020 11:49
![question](/tpl/images/cats/istoriya.png)
History, 03.02.2020 11:49
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 03.02.2020 11:49
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 03.02.2020 11:49
![question](/tpl/images/cats/istoriya.png)
History, 03.02.2020 11:49
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 03.02.2020 11:49
![question](/tpl/images/cats/istoriya.png)
History, 03.02.2020 11:49
![question](/tpl/images/cats/en.png)
English, 03.02.2020 11:49
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 03.02.2020 11:49
![question](/tpl/images/cats/mat.png)
Mathematics, 03.02.2020 11:49
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.02.2020 11:49
![question](/tpl/images/cats/istoriya.png)
History, 03.02.2020 11:49
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 03.02.2020 11:49