document.write( "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
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Algebra.Com's Answer #824637 by Alan3354(69443)\"\" \"About 
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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
\n" ); document.write( "d=5sin[2π (t-4)/12.4]+6
\n" ); document.write( "what is the water depth at 2:30 a.m., to the nearest hundredth of a metre?
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\n" ); document.write( "Sub 2.5 for t and calculate.
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