Solve.A rectangle that is x feet wide is inscribed in a circle of radius 20 feet. Express the area of the rectangle as a function of x. Graph the function and from the graph determine the value of x, to the nearest tenth of a foot, which will maximize the area of the rectangle.
A. 27.9 feet
B. 28.3 feet
C. 29.1 feet
D. 28.7 feet
Answer: B
Mathematics
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A. 81.357 B. 81.297 C. 81.307 D. 81.257
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Refer to a normal distribution described by the following figure. The mean is ? and the standard deviation is ?.
The mean ? =
A. 48.5 B. 52.5 C. 32 D. 50 E. none of these
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Provide an appropriate response.Write the equation of the line shown on the graph.
A. y = 0 B. y = 5 C. x = 5 D. y = x + 5
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Add like terms, if possible, and write the result in descending powers of the variable.8a8 - 8a8 + 14a5 + 7a8 - 10a5
A. 11a8 B. 7a8 + 4a5 C. 11a13 D. Cannot be simplified
Mathematics