A histogram is used to show the frequency of data, where the length of the bar represents the frequency.
<em>From the histogram, 50 students drank the recommended amount of water.
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Given that
or more
The number of students who drank the recommended amount are students whose frequency is at least 48
From the attached histogram, only 1 bar has a frequency that is at least 48 or more
And the number of students in this bar is: 50
Hence, 50 students drank the recommended amount of water,
Related link about histogram: brainly.com/question/14421716
Answer:
Step-by-step explanation: yeah it is cool but you subtract four from the number not subtract your number from four just a heads up
I can help you if you need help
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➷ The first square number can be represented by 
The second square number can be represented by 
Subtract them:

Expand it first:

Simplify:

Anything multiplied by 2 is even. Adding 1 to this value would make it odd. This proves it.
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