nayellisoto15
20.05.2021 •
Mathematics
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Ответ:
A.) you multiply the 3 and 2
Ответ:
The answer is A lol
Ответ:
The tide in the harbor is represented by the equation
y = 20 + 5*cos (π/6 * t)
where y is the water depth in feet and t is the time in hours.
To quickly solve this problem, we can use a graphing tool or a calculator to plot the equation.
Please see the attached image below, to find more information about the graph .
t = 0 represents 12:00 midnight
If we take a look at the graph, we can see that the low tide occurs at
t = 6. This means at 6 am (six hours later from midnight)
At this time, the depth is equal to 15 feet.
The high tide occurs at mid-day
t = 12 (twelve hours from midnight)
At this time, the depth is equal to 25 feet.
Low tide
(6 hours, 15 ft)
High tide
(12 hours, 25 ft)