Answer:
5%+15%=20%
to find 20% of 28 u multiply 28 x 0.2= 5.6
so to remove the 20% since it's 20% off u subtract 5.6 from 28
28-5.6= 22.4
Step-by-step explanation:
 
        
             
        
        
        
The 1.8 s is the time for the signal to reach the ocean floor and return to the ship so the time to reach ocean floor = 1.8 / 2 = 0.90 seconds.
depth of ocean = speed * time
=  1498 * 0.90  =  1348.2 m  Answer
        
             
        
        
        
The answer would be 119 and 4/7
        
                    
             
        
        
        
 Given : 

 



Let's solve by using midpoint formula : 










Hope Helps! :)
 
        
             
        
        
        
Answer:
About 9.4
Step-by-step explanation:
64+25=89 
sqr root of 89 is 9.4339