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Cloud [144]
3 years ago
12

In a lab, a substance was heated by 16°C over a period of 4 hours at a constant rate. What was the change in temperature each ho

ur?
Mathematics
2 answers:
Arada [10]3 years ago
5 0

Answer:

4° C per hour

Step-by-step explanation:

16/4 will give us the temperature change every hour

ollegr [7]3 years ago
5 0
The temperature change was 4 C per hour
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The equation that show the relationship between Anna earning and time worked is y = 8.5h.

<h3>Linear equation</h3>

Linear equation is in the form:

y = mx + b

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Let y represent Anna earnings for working h hours.

Since she charges $8.50 per hour to babysit. Hence:

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The equation that show the relationship between Anna earning and time worked is y = 8.5h.

Find out more on Linear equation at: brainly.com/question/14323743

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A radius of a circle (segment CD) drawn to the point of tangency (D) intersects the tangent (line DE) at a 90-deg angle.

That makes m<D = 90.

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