Mathematics, 12.03.2021 08:20 amandaparrish2323
8. Aki has been driving at an average speed of 80 km/h toward Ottawa
for 3 h, when he sees the sign shown.
The equation relating distance and time is of the form d mt + b.
a) What does the ordered pair (3, 300) mean?
b) The slope is m = -80. What does this value represent?
Why is it negative?
c) Determine the value of b.
d) Write an equation relating distance and time.
e) Graph the relation. What is the meaning of the d-intercept?
f) How long will the trip to Ottawa take, in total?
g) Has Aki reached the halfway point of his trip yet? Explain.
Answers: 2
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Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?
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8. Aki has been driving at an average speed of 80 km/h toward Ottawa
for 3 h, when he sees the sign...
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