two cell phone companies have different rate plans. runfast has monthly charges of $8 plus $8 per gig of data. B A &D’s mont
hly charge is $15 plus $4 per gig of data. your task is to determine under what circumstances each company has the better pricing you will derive and solve a set of equations, graph those equations, and evaluate the meanings of these events.
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If the student received marks of 84, 78, 84, and 72 on her four normal tests, her weighted mean grade is 81.2 percent.
<h3>What is mean?</h3>The mean is described as a single number that indicates either the closed value for each item in the collection of data or the mean value for the whole set of data.
On her four regular tests, a student had grades of 84, 78, 84, and 72 out of 100. She received 86 percent on her class projects and 78 percent on the final test.
You may compute the weighted mean as follows:
Hence, if the student had marks of 84, 78, 84, and 72 on her four normal tests, her weighted mean grade would be 81.2 percent.
To learn more about the mean refer;
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