Aplane covers 2 160 miles in 5.5 hours. what is the average speed of the plane to the nearest tenth?

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graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

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