Answer:
13.63 miles per hour
Step-by-step explanation:
100 yards / 15 sec  converted to miles per hour
<u>100 yards</u> x <u> 60 sec</u>   x  <u> 60 min</u>   x  <u> 1 mile     </u>    =  13.63 miles/hr
    15 sec        1 min          1 hr           1760 yards
the mistake on Mrs Dukes is the conversion from miles to yards.
1 mile = 1760 yards NOT 5280 yards
 
        
             
        
        
        
Answer:
3; 6; 9; 12; 15; 18;
Step-by-step explanation:
Multiples of 3:
3*1=3
3*2=6
3*3=9
3*4=12
3*5=15
3*6=18
 
        
                    
             
        
        
        
Answer:
The length of FG is 2.
Step-by-step explanation: B and F are the same point, just reflected, so BC=FG.
 
        
             
        
        
        
Answer:
Step-by-step explanation:
d(t)=-2t^2+9t+18
calculate the derivate : f'(t) = - 4t+9
f'(t) = 0 : - 4t+9= 0   so t = 9/4
the maximum value is f(9/4) = ....... continue