Answer:
9.9
Step-by-step explanation:
 
        
             
        
        
        
Answer:
9
Step-by-step explanation:
25-7=18
half of 18 is 9
 
        
                    
             
        
        
        
no it isn't. 2cos(x) is 2 multiplied by cos(x), cos (2x) is cos(2 multiplied by x) meaning 2x is the angle you're taking the cosine of. if you want to know what cos(2x) look up the double angle rule.
 
        
                    
             
        
        
        

- Factor the indicated expression:

- Simplified the index, the root and also the exponent using the number 2.

<h3><em><u>MissSpanish</u></em> </h3>
 
        
             
        
        
        
Answer:
c
Step-by-step explanation:
1=x
-3=y
then you plug it in. put the -3 in for the y and the 1 in for the x then you have the equation:
-3<3(1)+1
and solve it
-3<4+1
-3<5