chikilinlove chikilinlove

20-07-2020
Mathematics

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If a stretch of mountain road covers a horizontal distance of 0.5 mile and has a vertical drop of 200 feet, find the percent grade of the road and the length of the actual stretch of road.

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evanglinajstuart evanglinajstuart

20-07-2020

Answer:

3x-x+2=4

Step-by-step explanation:

The % grade is: rise/run = 20/2640 = 0.76%

sqrt(20^2+2640^2) = sqrt(6970000) = 2640.1 feet is the length of the actual stretch of road, or 0.5 miles

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