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diamong [38]
2 years ago
10

Tim goes in a car journey. for the first 15 minutes his average speed is 40mph. he then stops for 25 minutes. he then completes

the journey at an average speed of 45mph. the total journey time is 1 hour.
Mathematics
1 answer:
alisha [4.7K]2 years ago
5 0

15 + 20 equals to 35, 60 - 35 equals to 25 so so his total journey is 1 hour

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Answer:

(3, 0).

Step-by-step explanation:

dentifying the vertices of the feasible region. Graphing is often a good way to do it, or you can solve the equations pairwise to identify the x- and y-values that are at the limits of the region.

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The signs of the variables in the contraint function (+ for x, - for y) tell you that to maximize C, you want to make y as small as possible, while making x as large as possible at the same time.

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