Answer:
=[5,6,7,8,9]
Step-by-step explanation:
a=(5,6,7)
B=(7,8,9)
AUB=(5,6,7)U(7,8,9)
=[5,6,7,8,9]
 
        
                    
             
        
        
        
Answer:
0.923
Step-by-step explanation:
There are 13 total marbles. (12 Purple Marbles + One Blue Marble)
The total events are 13 and the number of preferred events is 12.
 ≈ 0.923
 ≈ 0.923
So there should be a 0.923 chance that a purple marble is picked. 
 
        
                    
             
        
        
        
Answer:
513 turkey sandwiches were sold.
Step-by-step explanation:
Let's use  to represent turkey sandwiches and
 to represent turkey sandwiches and  to represent steak sandwiches.
 to represent steak sandwiches.
 = turkey sandwiches
 = turkey sandwiches
 = steak sandwiches
 = steak sandwiches
 total sandwiches that were sold
 total sandwiches that were sold
 dollars that were made
 dollars that were made

Now that we know what  (steak sandwiches) equals, we plug it in to an equation to find
 (steak sandwiches) equals, we plug it in to an equation to find  .
.

Now, we subtract 5,550 from BOTH sides so we can get x by itself.

Next, we divide both sides by 2, so x is bare.


Since x represents turkey sandwiches, we have our answer: 513 turkey sandwiches were sold.
I hope this helps! :)
 
        
             
        
        
        
identity property=something times one
        
             
        
        
        
Answer:
to be honest I dont even know the answer