Mathematics, 17.12.2019 23:31 Nelly6978

Atruck driver is driving from nome, alaska to death valley, california. because he is traveling between locations with extreme temperatures, he needs to check the weather continuously to make sure the gas in his truck remains in liquid form. the gas he uses freezes at −40° f and evaporates at 140° f.

part a: write an inequality to represent the temperatures at which the gas in the truck will remain in liquid form. (2 points)

part b: describe the graph of the inequality completely from part a. use terms such as open/closed circles and shading directions. explain what the solutions to the inequality represent. (4 points)

part c: in january 1989, the temperature in nome, alaska dropped to −49° f. would the gas in the driver's truck have remained in liquid form so he could have driven on this day? why or why not? (4 points)

question 4 (essay worth 10 points)
(01.06 mc)

a small plane flies 760,320 yards in 2 hours. use the formula d = rt, where d represents distance, r represents rate, and t represents time, to answer the following questions. show your work.

part a: rearrange the distance formula, d = rt, to solve for rate. (2 points)

part b: find the plane's rate in yards per hour. (3 points)

part c: find the plane's rate in miles per hour. (3 points)

part d: which unit, yards, or miles, makes more sense to use in this scenario, and why? (2 points)

Answers: 2

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Atruck driver is driving from nome, alaska to death valley, california. because he is traveling betw...

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