Answer:

Step-by-step explanation:
For any angle  , we have that:
, we have that:

Quadrant:
 means that
 means that  is in the first quadrant. This means that both the sine and the cosine have positive values.
 is in the first quadrant. This means that both the sine and the cosine have positive values.
Find the cosine:







Since the angle is in the first quadrant, the cosine is positive.

 
        
             
        
        
        
Answer:
1 cm = 20 km
so 3.5 cm would equal : 3.5 * 20 = 70 km 
 hope it helps ;)
Step-by-step explanation:
 
        
             
        
        
        
The answer is <span>C.150 residents</span>
        
                    
             
        
        
        
Answer:
6
Step-by-step explanation:
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