soapai
11.02.2022 •
Mathematics
A special drill is used at a construction site to dig holes. A hole is dug to a depth of 2.75 feet when the drill hits rock. The progress slows to 56 feet per hour of digging. The depth of the hole must be at least 1012 feet by the end of the day to stay on schedule. What is the minimum amount of time the drill must continue at its present rate to complete the hole on schedule? Select from the drop-down menus to correctly complete the statement. The drill requires at least Choose... hours and Choose... minutes to complete the hole on schedule.
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Ответ:
For now I will say 1/2 because, well, freshman, sophomore, junior, senior, there are four, and then you're saying what is the probability that they are part of two out of the four groups, so I guess 1/2.