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victus00 [196]
3 years ago
13

In a lab, a substance was cooled by 36°C over a period of 9 hours at a constant rate. What was the change in temperature each ho

ur?
Mathematics
2 answers:
Rudiy273 years ago
8 0

Answer: Haha who else got these from ALEKS

Step-by-step explanation:

copy-paste, fill in the the numbers because ALEKS doesn't copy them, and wait for answers. This was NOT very helpful LOL.

zhannawk [14.2K]3 years ago
6 0

Answer:

Step-by-step explanation:

\frac{36 degrees}{9 hours}

\frac{4 degrees}{1 hour}

4 degrees/hour

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Answer:

y = 3x + 4

Step-by-step explanation:

slope = (y2 -y1)/(x2 - x1)

y2 = 19

y1 = 7

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Slope = (19 - 7)/(5 - 1)

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So far what you have is

y = 3x + b                      To solve for b, use either of the two points.

x = 1

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7 = 3 + b

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We should check that with the other  point

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y = 15 + 4

y = 19              Ans it checks.

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