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ValentinkaMS [17]
3 years ago
13

Determine,se existir,a inversa da matriz abaixo: A= (1 2) (1 3)

Mathematics
1 answer:
inn [45]3 years ago
5 0

Answer:

which principle prevents a brach from abusing  its power

Step-by-step explanation:

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6 0
3 years ago
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Which values for x and y make the statement (x + 5)(y - 6) = 0 true?
-BARSIC- [3]
<span>                             ||Solving \ for \ x. ||  </span>

(x + 5)(y - 6) = 0 

(x + 5)(y - 6) = 0 :x

&#10;x+5=0&#10; &#10;  |Divide \ both \ sides \ by \ y-6| 

&#10;x=-5&#10; &#10;  |Subtract \ 5 \ from \ both \ sides|

                           ||Solving \ for \ y. || 

&#10;y-6=0&#10; &#10;  |Divide \ both \ sides \ by \ x+5| 
 
&#10;y=6&#10; &#10; 

Solution =\ \textgreater \ x = -5, y = 6
6 0
3 years ago
83 1/5 -108 2/5 - (-99 1/5) =
KatRina [158]
<span>83 1/5 -108 2/5 - (-99 1/5) = 74</span>
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3 years ago
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