Answer:
0.03, 0.003
Step-by-step explanation:
The decimal moves over one place each time
 
        
             
        
        
        
Δ = 1 + 4*20 = 81
x' = (-1 + 9)/2 = 4
x'' = (-1 - 9)/2 = -5
4²  + 4 - 20 = 0
(-5)² - 5 - 20 = 0
Ok !
        
                    
             
        
        
        
The answer is C) 0.04 becuase the 4 is in the hundredths place
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Find y
The attached triangle is isosceles; so:

Also, we have:
 --- angles in a triangle
 --- angles in a triangle
Substitute: 

Collect like terms


 
        
             
        
        
        
Answer:
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Step-by-step explanation: