![subject](/tpl/images/cats/mat.png)
Mathematics, 19.09.2019 20:00 alexis9263
Exercise 1.3. a telephone number consists of ten digits, of which the first digit is one of 1; 2; : : : ; 9 and the others can be 0; 1; 2; : : : ; 9. what is the probability that 0/ appears at most once in a telephone number, if all the digits are chosen completely at random
![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 12:30
Anna is no more than 3 years older than 2 times jamie’s age. jamie is at least 14 and anna is at most 35. which system of linear inequalities can be used to find the possible ages of anna, a, and jamie, j?
Answers: 2
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:00
An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
Which of the following represents the factorization of the trinomial below? x^2+7x-30
Answers: 1
You know the right answer?
Exercise 1.3. a telephone number consists of ten digits, of which the first digit is one of 1; 2; :...
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.02.2021 01:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.02.2021 01:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.02.2021 01:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 09.02.2021 01:20
![question](/tpl/images/cats/mat.png)
Mathematics, 09.02.2021 01:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.02.2021 01:30
![question](/tpl/images/cats/mat.png)
Mathematics, 09.02.2021 01:30
![question](/tpl/images/cats/mat.png)
Mathematics, 09.02.2021 01:30
![question](/tpl/images/cats/mat.png)
Mathematics, 09.02.2021 01:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 09.02.2021 01:30
![question](/tpl/images/cats/himiya.png)