Answer:
Exact Form-9+√69÷6
Decimal form-2.88443731
Step-by-step explanation:
 
        
             
        
        
        
Answer:
1:02
Step-by-step explanation:
There are 30 minutes in a half-hour, so add this to the time he left:
12:32 + 30 mins
= 1:02
He will need to be back at 1:02
 
        
             
        
        
        
0.48- Use a calculator if you need it. Use your multiples if needed. Hava a good day!
        
                    
             
        
        
        
Answer:
7.23km/h
Step-by-step explanation:
Speed = distance/time 
Given 
distance = 6.36km and 
Time = 53minutes 
Convert 53minutes to hour.
60 minutes = 1 hour
53 minutes = x hour
Cross multiply 
X hour x 60 = 53
Xhour = 53/60
X = 0.88 hour 
Therefore 
Speed = 6.36km /0.88hr
= 7.23km/h