Which equations support the fact that rational numbers are closed under addition?

Select each correct answer.

9√+9√=29√9+9=29

13+13=2313+13=23

6√+(−6√)=06+(−6)=0

2√+2√=22√

Question

Which equations support the fact that rational numbers are closed under addition?

 

Select each correct answer.

9√+9√=29√9+9=29

13+13=2313+13=23

6√+(−6√)=06+(−6)=0

2√+2√=22√

tkhunny · Answer

There's a whole lot of not making any sense in there.

Which ones are dealing with irrational numbers?  Throw those out.  Note: $\sqrt{9}$ is Rational.

soplaytk · Answer

its a multi choose awnser

soplaytk · Answer

Which equations support the fact that rational numbers are closed under addition?

 

Select each correct answer.

9√+9√=29√9+9=29

13+13=2313+13=23

6√+(−6√)=06+(−6)=0

2√+2√=22√

tkhunny · Answer

You didn't answer my question.  Reprinting the same overlapping and odd information doesn't help.

Throw out the ones with Irrational Numbers.  What does that leave us?

soplaytk · Answer

nvm whatever

tkhunny · Answer

So, you're not going to do it?  You can solve it if you will answer my question.

soplaytk · Answer

nvm