17. negative numbers are closed under addition.
18. prime numbers are closed under subtraction...
![subject](/tpl/images/cats/mat.png)
Mathematics, 06.09.2019 17:20 datgamer13
17. negative numbers are closed under addition.
18. prime numbers are closed under subtraction.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00, tessafargo
Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.
Answers: 1
![image](/tpl/images/cats/mat.png)
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00, samarahbrown6050
Graph a triangle (xyz) and reflect it over the line y=x to create triangle x’y’z’. describe the transformation using words. draw a line segment from point x to the reflecting line, and then draw a line segment from point x’ to the reflecting line. what do you notice about the two line segments you drew? do you think you would see the same characteristics if you drew the line segment connecting y with the reflecting line and then y’ with the reflecting line? how do you know?
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:30, luis173506
Shannon mary and john earn a weekly allowance ahannon earns the amount that is 2/3 of what john earns mary earns an amount that is 1 2/3 of what johns earns 20 dollars a week who eaens the greatest allowance and who earns the least
Answers: 3
You know the right answer?
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 24.11.2020 08:50
![Konu](/tpl/images/cats/mat.png)
Mathematics, 24.11.2020 08:50
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/geografiya.png)
Geography, 24.11.2020 08:50
![Konu](/tpl/images/cats/mat.png)
Mathematics, 24.11.2020 08:50
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
English, 24.11.2020 08:50
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 24.11.2020 08:50
![Konu](/tpl/images/cats/en.png)
English, 24.11.2020 08:50