Solve the inequality. Give your answer using interval notation.
a. [-2, 5)
b. (-?, -2) and [5, ?)
c. (-2, 5]
d. (-?, -5) and [2, ?)
c. (-2, 5]
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The following table shows the average rice yield Y, in tons per hectare, on Asian farms t years after 1980. Based on the regression equation, how much increase in yield is expected over a 5-year period? t 5 10 20 25Y 3.38 3.61 3.96 4.14? ?
A. 0.20 tons per hectare B. 0.04 tons per hectare C. 0.36 tons per hectare D. 3.21 tons per hectare
Solve the problem.A rectangular sheet of perimeter 30 cm and dimensions x cm by y cm is to be rolled into a cylinder as shown in part (a) of the figure. What values of x and y give the largest volume?
A. x = 12 cm; y = 3 cm B. x = 10 cm; y = 5 cm C. x = 11 cm; y = 4 cm D. x = 9 cm; y = 6 cm
Subtract. Use borrowing, if necessary.
A. 54,895 B. 45,889 C. 45,789 D. 45,895
Simplify by using the order of operations. Round your answer to the nearest hundredth.33 - 4.5 ? 2.5
A. 21.75 B. 26.0 C. 137.25 D. 77.50