Math
posted by Geena .
Set A contains the element 1. What other whole numbers must be in set A for it to be closed under addition?
Respond to this Question
Similar Questions

math
Explain whether the set {0, 1, 2} is closed with respect to addition on whole numbers. 
6TH GR. ALGEBRA
EXTENDING THE LESSON If you add any two rational numbers, the sum is always a rational number. So, the set of rational numbers is closed under addition. Is the set of rational numbers closed under subtraction. multiplication,and division … 
math
If 10 is removed from the set of whole numbers, is the set closed with respect to addition? 
math sets
Explain whether the set {0, 1, 2} is closed with respect to addition on whole numbers. 
math
Set A contains the element 1. What other whole numbers must be in set A for it to be closed under addition? 
math
If 10 is removed from the set of whole numbers, is the set closed with respect to addition? 
math
I am really confused about sets. Could you explain to me if the following are opened or closed sets and why? 
Math
suppose you had a very small set of numbers that contained only 0 and 1 would this set be closed under addition? 
Math
If a set of closed under addition, must it also be closed under multiplication? 
Algebra I
Tell whether the set is closed under the operation. If it is not closed give an example that shows that the set is not closed under the operation. 10. Positive irrational numbers; division 11. Negative rational numbers; multiplication …