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Nana76 [90]
3 years ago
11

Add the sum of the numbers (−5.4) and (+8.2) to the opposite number of (−2 3/4 ).

Mathematics
2 answers:
matrenka [14]3 years ago
7 0
The number are <span>(−5.4) and (+8.2).
Sum of these two numbers are = </span><span>(−5.4) + (+8.2)
= -5.4 + 8.2
= 2.8
Now we are going to add this to the opposite number of </span><span>(−2 3/4 ).
</span><span>(−2 3/4 ) = -11/4 = -2.75
now opposite number of -2.75 is 2.75
Thus, 
2.8 + (2.75)
= 2.8 + 2.75
= 5.55</span>
GuDViN [60]3 years ago
7 0

Answer:

5.55

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Total Number of pens = 5

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It is possible that no defective pen will be selected ; 1 defective will be chosen or both pens are defective.

2.)

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Substitute

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m=0,\ (-7,\ -1)\\\\y-(-1)=0(x-(-7))\\\\y+1=0\qquad|\text{subtract 1 from both sides}\\\\\boxed{y=-1}

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