Answer:

Step-by-step explanation:
see the attached figure to better understand the problem
step 1
In the right triangle ABC find the length side BC
we know that


step 2
In the right triangle ABD find the length side BD
we know that


step 3
we know that
The distance between the two boats is the length side CD

substitute the values  

 
        
             
        
        
        
Answer:
6  1/12 miles total 
Step-by-step explanation:
3 1/4 = 13/4 
2 5/6 = 17/6        to ADD fractions, you must have a common denominator
                               I will use 12   for these 
13/4 = 39/12
17/6 = 34 /12 
now you can add and simplify     39/12 + 34/12 = 73/12 = 6 1/12  miles 
 
        
             
        
        
        
It has 1 solution i believe
        
             
        
        
            
            
                Consider the following two ordered bases of R2 R2: BC=={⟨1,2⟩,⟨3,5⟩},{⟨−1,1⟩,⟨1,−2⟩}. B={⟨1,2⟩,⟨3,5⟩},C={⟨−1,1⟩,⟨1,−2⟩}. Find th 
                Tamiku [17]             
         
        
Answer:
This question is maybe r2+ =>()0?
Step-by-step explanation: