X - tens digit
y - units digit
y - units digit
The dot plot shows the ACT Essay Scores for the Class of 2017. Write True or False based on the below statements and the provide
d data.
a)
The values range from 1-6.
b)
There is a peak at 3.
c)
The mean is 3.
d)
The median is 3.
a)
The values range from 1-6.
b)
There is a peak at 3.
c)
The mean is 3.
d)
The median is 3.
1 answer:
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Answer:
<em>Pool 1 leaks faster than pool 2.</em>
Step-by-step explanation:
<u>Rates of change</u>
The rate of change (ROC) is a measure that compares two quantities, usually to know how fast one variable changes in time.
We are given two rates of change for two pools that are leaking. The first one loses 2/3 gallon in 15 minutes, and the other loses 3/4 gallon in 20 minutes.
To compare them, we are required to express time in hours. Recall one hour has 60 minutes, or equivalently, one minute has 1/60 hours. Converting both times, we have:
15 minutes = 15/60 = 1/4 hours
20 minutes = 20/60 = 1/3 hours
Now compute both rates of change:
Pool 1:
Pool 2:
Comparing both ratios, it's clear pool 1 leaks faster than pool 2.