Answer:
The surface area is multiplied by 3.
Step-by-step explanation:
If r is the radius of a sphere its surface area = 4(pi)r^2. If the radius is doubled then its surface area = 4(pi)(2r)^2 = 4*4(pi)r^2. So the surface area becomes 4-fold or the increase in surface area is 300%.
 
        
             
        
        
        
Answer:divide the opposite sides, by the length of the hypotenuse. To get the cosine, divide the length of the adjacent side,by the length of the hypotenuse.
Step-by-step explanation:
divide the opposite sides, by the length of the hypotenuse. To get the cosine, divide the length of the adjacent side,by the length of the hypotenuse.
 
        
             
        
        
        
Answer:
wait are you the person who is putting lyrics of a certain song? oh yeah it is! hello
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Each book cost $37 dollars.
Step-by-step explanation:
351 - 18 = 333
333 ÷ 9 = 37