![subject](/tpl/images/cats/mat.png)
Mathematics, 18.12.2021 18:40 ineedhelp2285
Which property justifies the statement (2+1)+9=2+(1+9)
![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 18:00
Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
Write the pair of fractions as a pair of fractions with a common denominator
Answers: 3
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:50
Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p
Answers: 1
You know the right answer?
Which property justifies the statement (2+1)+9=2+(1+9)...
Questions
![question](/tpl/images/cats/en.png)
English, 25.12.2020 14:00
![question](/tpl/images/cats/geografiya.png)
Geography, 25.12.2020 14:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 25.12.2020 14:00
![question](/tpl/images/cats/health.png)
Health, 25.12.2020 14:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 25.12.2020 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 25.12.2020 14:00
![question](/tpl/images/cats/en.png)
English, 25.12.2020 14:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 25.12.2020 14:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.12.2020 14:00
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/en.png)
English, 25.12.2020 14:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 25.12.2020 14:00
![question](/tpl/images/cats/health.png)
Health, 25.12.2020 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 25.12.2020 14:00
![question](/tpl/images/cats/mkx.png)
Arts, 25.12.2020 14:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
Arts, 25.12.2020 14:00