Answer:
x=-3, y=1. (-3, 1).
Step-by-step explanation:
-x+5y=8
3x+7y=-2
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3(-x+5y)=3(8)
3x+7y=-2
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-3x+15y=24
3x+7y=-2
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22y=22
y=22/22
y=1
-x+5(1)=8
-x+5=8
-x=8-5
-x=3
x=-3
 
        
             
        
        
        
Answer:
4
Step-by-step explanation:
It's a pythagorean triple
 
        
                    
             
        
        
        
Hey there! 

Good luck on your assignment and enjoy your day! 
~
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Feet per minute is a unit of Speed or Velocity in both US Customary Units as well as the Imperial System. It measures the number of feet traveled in a minute. The symbol for feet per minute is ft/m.
 
        
             
        
        
        
By flipping the fraction of -3/7, you will get the fraction of -7/3 or - 2 1/3.
Therefore, the reciprocal of -3/7 is - 2 1/3.
Hope this helps!