3 years ago

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Mathematics

1 answer:

garik1379 [7]3 years ago

5 0

Answer:

6•(-5)

Step-by-step explanation:

Each hour there is a change of -5, so after:

1 hour: -5=1•(-5)
2 hours: -5+(-5)=2•(-5)
3 hours:-5+(-5)+(-5)=3•(-5)
4 hours: -5+(-5)+(-5)+(-5)=4•(-5)
5 hours: -5+(-5)+(-5)+(-5)+(-5)=5•(-5)
6 hours: -5+(-5)+(-5)+(-5)+(-5)+(-5)=6•(-5)

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