Answer:
x = 20
Step-by-step explanation:
Formula
x1/x2 = x3/x4
Givens
x = 11
x2 = 11 + 121 = 132
x3 = 10
x4 = 10 + 5x + 10
Solution
11/132 = 10 / (5x + 10 + 10)        Combine
11/132 = 10/(5x + 20)                Cross multiply
11*(5x + 20) = 132 * 10              Combine on the right.
11(5x + 20 ) = 1320                   Divide by 11. (You could remove the brackets, but this is easier.
11(5x + 20)/11 = 1320/11            Do the division
5x + 20 = 120                          Subtract 20 from both sides
5x + 20-20 = 120 - 20             Combine
5x = 100                                   Divide by 5
5x/5 = 100/5
x = 20
 
        
             
        
        
        
A) the more time spent on homework related to higher test scores. 
b) 60 on the test
c) with 0 hours of homework, should expect a score of 45 on the test.
        
             
        
        
        
Step-by-step explanation:
You use the Distance Formula
d= √( x2 - x1 )^2 + ( y2 - y1 )^2
substitute
r=  √(3-3)^2 + (4-1)^2
    √0^2 + 3^2
r = √9
r = 3
Now you can use the equation for  finding the circumference
2πr
2π3
≈ 6π or 18.85
 
        
             
        
        
        
Step-by-step explanation:
4/25 cannot be converted into a whole number, it is less than 1
 
        
                    
             
        
        
        
Her is how to do it hope it helps you!