Answer:
Total Cost (T)=  .80a+1.25c
T= a+c
Step-by-step explanation:
This equation has 2 variables. It also has 2 equations
 
        
             
        
        
        
Answer:
   
Step-by-step explanation:
Where p is the distance from focus to vertex, the equation of the parabola with focus at (0, p) is ...
   
Your parabola has p=9, so the equation is ...
   
 
        
             
        
        
        
Answer
Step-by-step explanation:
 
        
             
        
        
        
Answer:
4:1
Step-by-step explanation:
There are 4 infielders and 1 battery
 
        
             
        
        
        
Smaller Angle: 49 degrees
Bigger Angle: 131 degrees
 Note that supplementary angles add up to be 180 degrees. Knowing this and the information provided in the question, we can use the following system of equations:
x + y = 180 (showing they both add up to 180) 
x + 82 = y  (to show one angle is 82 more than the other) 
We can use the substitution method to solve. Since the second equation ends in  "= y" we can substitute the value of it into y for the first equation.
x + y = 180; x + 82 = y  ==> x + (x + 82) = 180 
And now, solve for x:
 x + (x + 82) = 180 
 x + x + 82 = 180 > combine like terms
2x + 82 = 180
2x = 98
x = 49
So now we have the value for one of the angles! Remembering that the other angle is 82 degrees bigger, dd 49 + 82, which equals 131.
So, our two angle values are 131 and 49! This is correct since both angle measures add up to be 180, which also makes them supplementary!