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Nikolay [14]
2 years ago
7

Help I’ll give brain crown

Mathematics
1 answer:
ankoles [38]2 years ago
7 0

Answer:

13. c

14.a

15.c

16.d

17.b

18.d

19.a

20.b

Step-by-step explanation:

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The temperature of a mixture is decreasing by 5∘C every hour. When it was first mixed, its temperature was recorded at −20∘C.
Mandarinka [93]

Answer:

f(x)=−5x−20

Step-by-step explanation:

It's decreasing 5 degrees every hour, which is represented by -5x

You also have to take away the 20 (-20) from where it started.

So, f(x)=−5x−20

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1.7

Step-by-step explanation:

You do rise over run or y/x to find your answer. You go over 6 and up 10 to get from the lower point to the one on top. 10/6=1.666667 and rounded will be 1.7

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D 28/4=7 that is the answer for the question
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3 years ago
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Mandarinka [93]

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2.38

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subtract 4.9 on both sides

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