Asked by arc
a computer is being lowered into the ocean from a platform. at this moment it is 210 feet below surface and being lowered 150 feet every 30 minutes. how to write this in the form of an expression?
Answers
Answered by
arc
-210-5x
Answered by
PsyDAG
Yes, assuming x = # of minutes.
Answered by
Reiny
depends what your expression is supposed to represent
Suppose you want to know the depth after t minutes
rate = 150/30 ft/min or 5 ft/min
so depth = 210 + 5t
Your answer is perfectly correct, since it also shows the position relative to the ocean floor,
mine shows the magnitude of that depth
Suppose you want to know the depth after t minutes
rate = 150/30 ft/min or 5 ft/min
so depth = 210 + 5t
Your answer is perfectly correct, since it also shows the position relative to the ocean floor,
mine shows the magnitude of that depth
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