The resistance of the cement (r) depends, among other things, on the drying time of the cement (t). In an experiment, th

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The resistance of the cement (r) depends, among other things, onthe drying time of the cement (t). In an experiment, the resistanceof cement blocks with different drying times was obtained, theresults of which were shown in the table below. Assume that thebehavior is according to a simple linear fit. Then use this modelto forecast the 28-day cement strength. Use rounding arithmetic to4 digits.