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Mathematics 9 Online
OpenStudy (anonymous):

a rocket is rising vertically at a rate of 880ft/sec. an observer on the ground is 3000ft from the launch point of the rocket. how fast is the distance btwn the rocket and the observer changing when the rocket is 4000ft off the ground?

OpenStudy (anonymous):

so my trigangle would be like this |dw:1418185119742:dw|

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