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finish asking this question.

oops . how fast is the distance between the ships changing at 4:00pm?

ok, so you know the distance formula & how to find derivatives right?

yes

oh yeah okayy

okay i think i might get it now

from z^2 = 180^2 + (x + Y)^2 (this was from pythag. theorem)

kay thanks for the help

just another question. is x = 20 and y = 40 and z = 180?

oh wait nvm thats wrong i think

ohhh okay that makes more sense