Answer:
20.4131
Step-by-step explanation:
You need to have only 4 decimal places after , last decimal being approximated 
 
        
             
        
        
        
Answer:
<h2><em>The percent decrease is approximately 40%. </em></h2>
Step-by-step explanation:
Step one:
given data
initial count of fish= 850
final count of fish= 500
Required
% decrease
Step two:
% decrease= final-initial/initial*100
substitute
% decrease= 850-500/850*100
% decrease=350/850*100
% decrease= 0.41*100
% decrease= 40.1%
 
<em>The percent decrease is approximately 40%. </em>
 
        
                    
             
        
        
        
Answer:
 120 degrees.
Step-by-step explanation:
The 5 exterior angles sum to 360 degrees.
So the 5th exterior angle = 360 - 4(60)
= 360 - 240
= 120 degrees.
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:

The graph is shifted 3 units to the right


 
        
                    
             
        
        
        
<span>the correct question is
A triangle whose angles have measures x x+5 and x+10.</span><span>How do you find the measure of each angle?
we know that
The </span><span>Sum of internal angles of any triangle = </span><span>180<span>∘
so
[x+(x+5)+(x+10)]=180---------------> 3x+15=180----------> 3x=165-------> x=55</span></span>°
the answer is
the measure of each angle is 
x=55°
x+5=60°
x+10=65°