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# Suppose two cars depart from a four-way intersection at the same time, one heading north and the other heading west.

Suppose two cars depart from a four-way intersection at the same time, one heading north and the other heading west. The car heading north travels at the steady speed of 30 ft/sec and the car heading west travels at the steady speed of 64 ft/sec.

(a) Find the distance in miles between the two cars after 3 hours 46 minutes. (Round your answer to one decimal place.)

answer:_____________mi

(b) When are the two cars 1 mile apart? (Round your answer to one decimal place.

answer:______________sec

:− ℎ ℎ ℎ ℎ ℎ= ℎ ℎ ℎ 305280 . ℎ ℎ ℎ= 30 64 645280 . ( )ℎ ℎ= = 60 × 3 46 ℎ 3 46 30× 226 × 605280 30× 2265280 ℎ = 77.045 ℎ= 60 × 226 × = 60 × ℎ...