Number of proper subsets = 2^number of elements- 1 
 = 2^n - 1
No of elements = 4 
2^4-1 = 16-1 = 15
        
             
        
        
        
It's too short. Write at least 20 characters to explain it well.
Your answer can't be empty
 
        
             
        
        
        
Answer:
$315.24
Step-by-step explanation:
Principal, P =$262
Rate, r= 3.7% =0.037
Time, t= 5 Years
The Value of the Investment which is compounded continuously is gotten using the formula:

The value of the investment after 5 years is $315.24 to the nearest cent.
 
        
             
        
        
        
Answer:
C.
Step-by-step explanation:
WE need to convert the given equations  into the standard form
(x - a)^2 + (y - b)^2 = r^2 where r = the radius.
x^2 + y^2 + 12x - 20y+ 132 = 0
 (x + 6)^2 - 36 + (y - 10)^2 - 100 = -132
(x + 6)^2 + (y - 10)^2 = -132 + 36 + 100 = 4 
giving a radius of 2
 x^2 + y^2 + 12x - 20y + 55 = 0
will give a right hand side of -55 + 36 + 100 = 81  giving radius 9.
x^2 + y^2 - 12x+ 20y + 127 = 0
- gives right hand side of -127 + 36 + 100 = 9 giving a radius of 3.
 
        
                    
             
        
        
        
57°
Step-by-step explanation:
angle of RAD is the double of RBD