Answer:
Step-by-step explanation:
b
 
        
                    
             
        
        
        
Answer:
x=k+c over 7
Step-by-step explanation:
7x-c+c=k+c
7x=k+c
divide both sides by 7
 
        
             
        
        
        
Answer:
5 inches
Step-by-step explanation:
A cone's volume can be found using the formula 
. If the cone has a diameter of 3 inches then its radius is half r= 1.5 inches. Substitute r = 1.5 and V = 12 cubic inches.

This means the height of the cone is 5.10 inches or to the nearest inch 5 inches.
 
        
             
        
        
        
Answer:
78.5 m²
Step-by-step explanation:
The formula to find the area of a quarter of a circle: 
, where 
 is the radius (diameter ÷ 2) and the 
 is alterable.
1) Substitute the given values into the formula.
= 
2) Solve it.
= 
= 78.5
3) Round it off to the nearest tenth. In this case, it has already been rounded off.
 
        
             
        
        
        
Answer:
14n-29
Step-by-step explanation:
Remove the unnecessary parenthesis around the (2n-9)
(2n-9)-5(-2.4n+4)
Distribute the -5 into the -2.4n+4
2n-9-5(2.4n+4)
2n-9+12n-20
Combine like terms
2n-9+12n-20
14n-9-20
14n-29