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 This topic has been viewed 5163 times and has 2 replies
dragonmint1

Brampton
Joined: May 8, 2012
Posts: 1
Status: Offline

The depth of water, d(t) metres, in a seaport can be approximated by the sine function d(t) = 2.5sin 0.164pi(t - 1.5) +13.4, where t is the time in hours.

a) A cruise ship needs a depth of at least 12 metres of water to dock safely. For how many hours in each period can the ship dock safely? Round you answer to the nearest tenth of an hour.

Can anyone help me in this questions please and thank you :)
 [May 8, 2012 10:21:35 PM] [Link]
michaelhussey

United States
Joined: May 25, 2012
Posts: 1
Status: Offline

What help do you need in the question? You have even got the answer
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 [May 26, 2012 1:04:10 AM] [Link]
petersonte

United States
Joined: Jul 12, 2012
Posts: 7
Status: Offline