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 Topic: diving
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 One quarter of a quarter cake 2019-01-30 From Tre:1/4 of a birthday cake was left over from a party. The next day, it is shared among 4 people. How big a piece of the original cake did each person get?Answered by Penny Nom. Safe diving hours 2007-08-16 From San:At a popular pier, the average depth of the water at low tide is 1m. The average depth of the water at high tide is 8m. One complete cycle takes 12h. Given by the equation of y=3.5cosPi/6t+4.5 where y is the height of the tide in (m) and t is the time in (hour) *many people dive from this pier during the day. If the water must be at least 3m deep to dive safely, between what daylight hours should people dive?Answered by Stephen La Rocque.

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