Solve the problem.A rectangular board is 2 feet by 8 feet. How far from the center of the board will the foci be located to determine the largest elliptical tabletop? Round your answer to the nearest tenth of a foot.
A. 3.0 ft
B. 0.1 ft
C. 1.0 ft
D. 3.9 ft
Answer: D
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Solve the problem.The one-day temperatures for 12 world cities along with their latitudes are shown in the table below. Make a scatter diagram for the data. Then find the line of best fit and graph it on the scatter diagram.
Latitude (degrees)
Temperature (F)°
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Find an equation of a line satisfying the following conditions.Perpendicular to x = 3, passing through (2, 4)
A. x = 4 B. y = 2 C. y = 4 D. x = 2
Solve.The following table shows the hourly wage for an employee (in dollars) from 2007 to 2012. Plot points that represent this data on a rectangular coordinate system.
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Let a?, a?, a?, . . , an, . . . be an arithmetic sequence with a? = 9 and a? = –72. Find r.
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