Answer:
$6.73 
Step-by-step explanation:
Since it says "answer in coins" she could have 24 quarters, 7 dimes, and 3 pennies.
I believe this correct but im not exactly sure
I hope this helps :)
 
        
                    
             
        
        
        
Consider expression  First, you can factor it:
 First, you can factor it:

Since x is integer number, then you can see that x-1 is previous integer number (x-1 is 1 unit smaller than x).
Therefore, x-1 and x are two consecutive integers. When you have two consecutive integers, one of them is always even and one is always odd. Multiplying even integer number by odd integer number you always get even integer number.
Thus,  is always even.
 is always even.
 
        
             
        
        
        
The central angle corresponding to AOB is half of the 8pi/9 radians mentioned, meaning that the central angle of AOB is 4pi/9.
Converting that to degrees:
4pi/9 180 degrees
-------- * -------------------- = 80 degrees.
 1 pi
 
        
                    
             
        
        
        
Answer:
2 67/100
don't forget to say thanks and rate!
 
        
                    
             
        
        
        
For the answer to the question above, I believe the answer is simply <u><em>8.
</em></u>
2 groups divided into four participants. So all in all people needed is 8.
I hope this helped you. Have a nice day!
<u><em /></u>