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. 
 
        
                    
             
        
        
        
What class requires this tho? But its 300-850
        
             
        
        
        
Answer:

Step-by-step explanation:
GIVEN: Tina, Sijil, Kia, vinayash Alisha and shifa are playing game by forming two teams Three players in each team.
TO FIND: how many different ways can they be put into two teams of three players.
SOLUTION:
Total number of players 
total teams to be formed 
total players in one team 
we have to number of ways of selecting  players for one team, rest
 players for one team, rest  will go in other team.
 will go in other team. 
Total number of ways of selecting  players
 players 
                                                                       
                                                                      
Hence total number of different ways in which they can be put into two different teams is  
 
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Perimeter of quarter circle = r + r + 
             
2) d = 2*10 = 20 cm
 Perimeter of semicircle = diameter + (1/2) * circumference of circle
                          
3) Perimeter of three-quarter =  r + r + (3/4)* circumference of circle
           
 
        
             
        
        
        
Answer:
i think it's b sorry if it's wrong
Step-by-step explanation: