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Kisachek [45]
3 years ago
10

The equation y = 1.2x represents the rate, in beats per second, that Lee's heart beats. The graph represents the rate that Nancy

's hear beats. Determine whose heart is beating at a faster rate.

Mathematics
2 answers:
laiz [17]3 years ago
4 0
Here’s the answer w the explanation. Answer: Lee’s is beating faster.

Dmitriy789 [7]3 years ago
4 0
Nancy’s heart beats were faster. As you can see from the graph, Nancy is currently going at a rate of 1.25 beats per second as opposed to Lee’s 1.2 beats per second. You can figure this out from dividing
Y/x=rate
I can choose any point of the graph which I can divide.
For this case I choose (20,25)
So I divide 25/20 and I will get 1 5/20 rounding to 1 1/4 and then converted to 1.25 beats per second.
Hope that helps!!
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