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Snezhnost [94]
3 years ago
11

What is -5/6 + -5/6? (its ment to be a fraction)

Mathematics
1 answer:
maks197457 [2]3 years ago
8 0
The answer is:  " -5/3 " ;  or, write as:  " -1 ⅔ " .
_____________________________________________
Explanation:
_____________________________________________

   (-5/6) + (-5/6) = (-5/6) <span>− (5/6) ;  

------>  {since: "adding a negative" is the same a "subtracting a positive"} ; 

------> </span> (-5/6) − (5/6) = (-5 − 5) / 6  ;
  
                                  =   -10/6 =  (-10/2) / (6/2) ;
_____________________________________________________
                                  =   " -5/3 " ;  or, write as:  " -1 ⅔ " .
_____________________________________________________
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Step-by-step explanation:

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we know that

The measurement of the exterior angle is the semi-difference of the arcs which comprises

In this problem

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50\°=\frac{1}{2}(arc\ FEH-arc\ FH)

100\°=(arc\ FEH-arc\ FH)  -----> equation A

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Substitute equation B in equation A

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100\°=2arc\ FEH-360\°

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