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25. HEATING AND TEMPERATURE In moderate and colder climates, the daily temperature affects the amount of electricity used in homes that heat electrically. The following table and graph show this relationship for one household. a. Draw an "eyeball fit" line through the data on the graph below. (Hint: Your next task wilI be easier if the line goes through at least two of the data points.) b. Write an equation for the line you drew. Use the table to help determine the value of two points on your line. c. Use your equation to predict the amount of kilowatt hours this household might use if the average temperature for March is 45°F. If the cost for electricity is $.09288 per kilowatt hour plus a monthly fee of $10.00, how much will the bill be for March?

25. HEATING AND TEMPERATURE In moderate and colder climates, the daily temperature affects the amount of electricity used in homes that heat electrically. The following table and graph show this relationship for one household. a. Draw an "eyeball fit" line through the data on the graph below. (Hint: Your next task wilI be easier if the line goes through at least two of the data points.) b. Write an equation for the line you drew. Use the table to help determine the value of two points on your line. c. Use your equation to predict the amount of kilowatt hours this household might use if the average temperature for March is 45°F. If the cost for electricity is $.09288 per kilowatt hour plus a monthly fee of $10.00, how much will the bill be for March?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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25. HEATING AND TEMPERATURE In moderate and colder climates, the daily temperature affects the amount of electricity used in homes that heat electrically. The following table and graph show this relationship for one household. Average Daily Temperature for Each Month Number of Kilowatt-Hours (kWh) per (°F) month (in thousands) 37 6.0 a. Draw an "eyeball fit" line through the data on the graph below. (Hint: Your next task will be easier if the line goes through at least two of the data points.) b. Write an equation for the line you drew. Use the table to help determine the value of two points on 41 5.2 44 5.1 46 3.9 49 3.7 55 2.3 your line. 60 1.8 c. Use your equation to predict the amount of kilowatt hours this household might use if the average temperature for March is 45°F. If the cost for electricity is $.09288 per kilowatt hour plus a monthly fee of $10.00, how much will the bill be for March? 61 1.1 62 1.8 63 0.9 64 1.0 65 1.1 30 40 50 60 Average Daily Temperature per Month (°F) Amount of Electricity used in Thousands of kWh
Transcribed Image Text:25. HEATING AND TEMPERATURE In moderate and colder climates, the daily temperature affects the amount of electricity used in homes that heat electrically. The following table and graph show this relationship for one household. Average Daily Temperature for Each Month Number of Kilowatt-Hours (kWh) per (°F) month (in thousands) 37 6.0 a. Draw an "eyeball fit" line through the data on the graph below. (Hint: Your next task will be easier if the line goes through at least two of the data points.) b. Write an equation for the line you drew. Use the table to help determine the value of two points on 41 5.2 44 5.1 46 3.9 49 3.7 55 2.3 your line. 60 1.8 c. Use your equation to predict the amount of kilowatt hours this household might use if the average temperature for March is 45°F. If the cost for electricity is $.09288 per kilowatt hour plus a monthly fee of $10.00, how much will the bill be for March? 61 1.1 62 1.8 63 0.9 64 1.0 65 1.1 30 40 50 60 Average Daily Temperature per Month (°F) Amount of Electricity used in Thousands of kWh
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