Answer:
40 mph
Step-by-step explanation:
If the speed increased by 20%, now the speed is 120% of the original speed. 
48 mph is 120%, so dividing by 6 will get 8 which is 20%. 
If 8 is 20%, you can multiply it by 5 to get 40, which is 100%. This means 40 mph is the original speed.
Hope this helps!
 
        
             
        
        
        
Answer:
θ ≈ 36.03°
Step-by-step explanation:
We can use tangent (opposite side / adjacent side) for this question:
tan (θ) = 8 / 11
θ = tan⁻¹ (8/11)
θ = 36.02737339
θ ≈ 36.03°
 
        
             
        
        
        
9n is the answer to this question
        
                    
             
        
        
        
Step-by-step explanation:
AB = 3 
by similaritiy criterion 
CE/ CB= ED/AB
4/6= 2/AB
AB = 3 
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