For each of the following, set up either a system of equations in two variables or a quadratic equation and solve. (Round to two decimal places if necessary.) 20. Automotive Trades The fuel economy F of a certain hybrid electric car at speeds between 50 mi/hr and 100 mi/hr is given by the formula F = 0.005v² 1.25v + 96 where Fis in miles per gallon and vis the speed in miles per hour. What speed will result in a fuel economy of 39 mi/gal?
For each of the following, set up either a system of equations in two variables or a quadratic equation and solve. (Round to two decimal places if necessary.) 20. Automotive Trades The fuel economy F of a certain hybrid electric car at speeds between 50 mi/hr and 100 mi/hr is given by the formula F = 0.005v² 1.25v + 96 where Fis in miles per gallon and vis the speed in miles per hour. What speed will result in a fuel economy of 39 mi/gal?
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter10: Quadratic Equations
Section10.4: Solve Applications Modeled By Quadratic Equations
Problem 159E: A bullet is fired straight up from a BB gun with initial velocity 1120 feet per second at an initial...
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