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anonymous
 one year ago
The pilot of a helicopter plans to release a bucket of water on a forest fire. The height y in feet of the water t seconds after its release is modeled by y = 16t2  2t + 400. The horizontal distance x in feet between the water and its point of release is modeled by x = 91t. To the nearest foot, at what horizontal distance from the target should the pilot begin releasing the water? ____ ft Use a number only.
anonymous
 one year ago
The pilot of a helicopter plans to release a bucket of water on a forest fire. The height y in feet of the water t seconds after its release is modeled by y = 16t2  2t + 400. The horizontal distance x in feet between the water and its point of release is modeled by x = 91t. To the nearest foot, at what horizontal distance from the target should the pilot begin releasing the water? ____ ft Use a number only.

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carolinar7
 one year ago
Best ResponseYou've already chosen the best response.1We should use substitution

carolinar7
 one year ago
Best ResponseYou've already chosen the best response.1wait no im confused on this one

andrearchat
 one year ago
Best ResponseYou've already chosen the best response.1t = 5.06 and t = 4.93... substitute t = 4.93 sec.. so X = 91t = 91 (4.93) = 448.63 ft .. is that right ??

carolinar7
 one year ago
Best ResponseYou've already chosen the best response.15.06 does not make sense
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