SOLUTION: bus 1-8, gals used 5/8/12/15/18/20/22/25, miles driven 80/100/180/225/280/290/320/375
a. write a linear equation that models the relationship between miles driven d and gallon
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Question 135165This question is from textbook
: bus 1-8, gals used 5/8/12/15/18/20/22/25, miles driven 80/100/180/225/280/290/320/375
a. write a linear equation that models the relationship between miles driven d and gallons of gas used g.
b. use the equation to predict the number of miles a bus could go on 10 gallons of gas.
c. use the equation to predict the number of gallons of gas required to drive a bus 250 miles.
d. what do the vales of m and b in your equation d=mg+b tell bout the fuel efficiency of the bus fleet.
This question is from textbook
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
bus 1-8, gals used 5/8/12/15/18/20/22/25,
miles driven..... 80/100/180/225/280/290/320/375
a. write a linear equation that models the relationship between miles driven d and gallons of gas used g.
d(g) = 15.0462g - 3.8476
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b. use the equation to predict the number of miles a bus could go on 10 gallons of gas.
d(10) = 15.0462*10 - 3.8476 = 146.61 miles
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c. use the equation to predict the number of gallons of gas required to drive a bus 250 miles.
250 = 15.0462g - 3.8476
15.0462g = 253.8476
g = 16.8712 gallons
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d. what do the vales of m and b in your equation d=mg+b tell about the fuel efficiency of the bus fleet.
m tells you how many miles you get from each gallon of gas.
b tells you how many miles you can travel with no gas---it is false
but is part of the generated linear equation based on the data.
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Cheers,
Stan H.
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