lorli7n8aDavolga lorli7n8aDavolga

03-12-2016
Mathematics

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The distance a spring will stretch varies directly with how much weight is attached to the spring. if a spring stretches 9 inches with 100 pounds attached, how far will it stretch with 90 pounds attached? round to the nearest tenth of an inch.

Respuesta :

naveednaqvi naveednaqvi

03-12-2016

9/100 = x/90
Cross multiply to get 810 = 100x
Divide both sides by 100 to get x = 81 inches

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