Real Life Scenarios: Systems of Linear Equations
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Determine a simple real-life example scenario to solve systems of linear equations
- Discuss how the math concept applies to your scenario. Scenarios or examples should clearly demonstrate how the math principle can be used to solve a real-life problem.
- Research and include references formatted consistent with APA guidelines if necessary.
Submit a 1-paragraph summary of each of your discussed example scenarios and math principles.
- Include any necessary variables, clearly defined.
- Include any formulas necessary to solve this problem.
- Include written descriptions of your logic, as needed, to explain the transition from words to mathematics.
- Solve the problem by demonstrating and explaining the step-by-step work involved to reach the answer.
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Solution Summary
The solution discusses real life scenario based on systems of linear equations.
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Mike Brown plans to get a cell phone. There are two phone companies he can select from. Rogers charges a $50 flat fee plus $0.02 per minute, while Bell charges a $20 flat fee plus $0.04 per minute. If Mike thinks he may phone about 600 minutes a month, which phone company should he ...
Education
- BSc , Wuhan Univ. China
- MA, Shandong Univ.
Recent Feedback
- "Your solution, looks excellent. I recognize things from previous chapters. I have seen the standard deviation formula you used to get 5.154. I do understand the Central Limit Theorem needs the sample size (n) to be greater than 30, we have 100. I do understand the sample mean(s) of the population will follow a normal distribution, and that CLT states the sample mean of population is the population (mean), we have 143.74. But when and WHY do we use the standard deviation formula where you got 5.154. WHEN & Why use standard deviation of the sample mean. I don't understand, why don't we simply use the "100" I understand that standard deviation is the square root of variance. I do understand that the variance is the square of the differences of each sample data value minus the mean. But somehow, why not use 100, why use standard deviation of sample mean? Please help explain."
- "excellent work"
- "Thank you so much for all of your help!!! I will be posting another assignment. Please let me know (once posted), if the credits I'm offering is enough or you ! Thanks again!"
- "Thank you"
- "Thank you very much for your valuable time and assistance!"
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