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Pani-rosa [81]
3 years ago
7

Evaluate: 54-75+81-(-27)+53

Mathematics
2 answers:
romanna [79]3 years ago
4 0

Hi the answer is 344

solmaris [256]3 years ago
4 0

Answer:

140

Step-by-step explanation:

54-75=-21

-21+81=60

60-(-27)=87 or 60+27=87

87+53=140

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I need help i couldnt understand this!!
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Which ordered pairs are in the solution set of the system of linear inequalities? y > x y < x + 1 (5, –2), (3, 1), (–4, 2)
steposvetlana [31]

To check which ordered pair (point) is in the solution set of the system of given linear inequalities y>x, y<x+1; we just need to plug given points into both inequalities and check if that point satisfies both inequalities or not. If any point satisfies both inequalities then that point will be in solution.

I will show you calculation for (5,-2)

plug into y>x

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plug into y<x+1

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Same way if you test all the given points then you will find that none of the given points are satisfying both inequalities.

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5 0
3 years ago
Read 2 more answers
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postnew [5]

Answer:

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Step-by-step explanation:

m<1=145°

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Answer:

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