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DENIUS [597]
3 years ago
10

I don’t understand this at all can someone please help

Mathematics
2 answers:
antiseptic1488 [7]3 years ago
8 0
D) if P then not Q “””””
IrinaVladis [17]3 years ago
6 0

your answer will be the last one


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If 2x − 4(x + 1) = −12, evaluate x2 − 1.
Vlad [161]
2x-4(x+1)=-13
1) we solve this equation:
2x-4(x+1)=-12
2x-4x-4=-12
-2x=-12+4
-2x=-8
x=-8/-2
x=4

2) we evalute x²-1
x²-1=4²-1=16-1=15

Answer: 15
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25 meters per second x 60 seconds = 1500 meters per minute

1500 meters per minute x 60 minutes per hour = 90,000 meters per hour

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Pls help me with this equation
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Answer:

x = 20 degree

Step-by-step explanation:

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