Answer:
Step-by-step explanation:
Putting value of y = 5
4(5)2 - 7(5) - 6
4(25) - 35 - 6
100 - 41
59
 
        
             
        
        
        
Answer:
No, your answer is incorrect.
simplify the question that would be the last one D.
Step-by-step explanation:
if this helped you please mark brainliest <3
 
        
             
        
        
        
Answer:

Step-by-step explanation:
Incomplete question: 
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<em>See attachment for complete question</em>
Required
Determine the equation to find x
First, is to complete the angles of the triangle (ABC and ACB)
 --- angle on a straight line
 --- angle on a straight line

Collect like terms


 --- angles in a triangle
 --- angles in a triangle

Collect like terms


Apply sine rule

In this case:

This gives:

 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
The problem solver "completed the square."  He or she took half of the coefficient of x and squared the result, and then added this square and subtracted this square to/from both sides of the equation.