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Mathematics, 27.10.2020 18:00 tavidallaz5988

A 40 : 1 scale model of an airplane is being used to conduct wind-tunnel tests. If the model is 4.5 feet long, how long is the actual airplane

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A 40 : 1 scale model of an airplane is being used to conduct wind-tunnel tests. If the model is 4.5...
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