Question 1192744: the water level at an ocean inlet has a depth, d,in metre, that varies with the time, t, in hours after midnight, according to the equation d=5sin[2π (t-4)/12.4]+6
what is the water depth at 2:30 a.m., to the nearest hundredth of a metre?
Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! the water level at an ocean inlet has a depth, d,in metre, that varies with the time, t, in hours after midnight, according to the equation
d=5sin[2π (t-4)/12.4]+6
what is the water depth at 2:30 a.m., to the nearest hundredth of a metre?
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Sub 2.5 for t and calculate.
Answer by ikleyn(52776)  (Show Source):
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