Can some one please help me with 4 questions?
Will fan and medal :)

Question

Can some one please help me with 4 questions?
Will fan and medal :)

nnesha · Answer

O_O question

anonymous · Answer

sorry my computer was lagging :p
Which equations show that the set of whole numbers is closed under addition?
 
Choose all answers that are correct.
 
 A.
0 + (–1) = –1
 
 B.
1 + 1 = 2
 
 C.
2 + 0 = 2
 
 D.
2 + (–1) = 1

misty1212 · Answer

HI!!

misty1212 · Answer

none of these "show" anything, but $1+1=2$ is an EXAMPLE of them being closed

anonymous · Answer

sorry my laptop is lagging really bad! And all i see is question marks :/

anonymous · Answer

Choose all answers that are correct.

3.
 
(1 pt)	
Which sets of numbers are closed under division?
 
Choose all answers that are correct.
 
 A.
rational numbers
 
 B.
integers
 
 C.
{–1, 0, 1}
 
 D.
whole numbers