Answer:
14 dimes and 4 quarters
Step-by-step explanation:
x= number of dimes
y=number of quarters
x-10=y
0.10x+0.25y=2.40
substitute for y
0.10x+0.25(x-10)=2.40
0.35x-2.50=2.40
0.35x=4.90
x=14
y=4
 
        
             
        
        
        
Since it is a square that means each side is equal.
The perimeter is 24, and since there is four sides we would divide it by four to find the length of each side.
24/4 = 6
Each side is 6.
By looking at the picture, one side of the square, is the length of the radius.
The radius of the square is 6. 
The only thing left to do is to find the circumference.
The circumference formulas are:
C = 

d
C = 2

r
We can use the first one Diameter x pi (3.14)
To find the diameter we would just multiply the radius by two.
6 x 2 = 12
Diameter = 12
So multiply it by pi
12 x 3.14 = 37.68
or D 12
 
        
             
        
        
        
Answer:
A triangle has three sides, three vertices, and three angles. The sum of the three interior angles of a triangle is always 180°. 
The sum of the length of two sides of a triangle is always greater than the length of the third side.
 
        
             
        
        
        
Answer:
Dependent variable: s andIndependent variable: r
Step-by-step explanation:
hopes it help
 
        
                    
             
        
        
        
Answer:
Micah will have $15 dollars left after 7 days.
Step-by-step explanation:
50/5 is 10, so Micah could stay for 10 days. But, if he wants to have $15 left, he could only stay for 7 days.