Solve the problem.A rectangular board is 2 ft by 12 ft. How far from the center of the board should the foci be located in order to cut the largest elliptical tabletop from the board?

A. 0.1 ft
B. 1.0 ft
C. 5.0 ft
D. 5.9 ft


Answer: D

Mathematics

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Find an equation of the line satisfying the following conditions. If possible, write the equation in slope-intercept form. Horizontal, passing through (2.19, -5.83)

A. x = -5.83 B. y = 2.19 C. y = -5.83 D. x = 2.19

Mathematics

Solve the problem.Assume that the probability is  that a child born is a boy. What is the probability that both of a family's two children are girls?

A.
B.
C.
D.

Mathematics

Factor completely. If a polynomial cannot be factored, say it is prime.x2 - 9x + 81

A. prime B. (x - 9)2 C. (x + 9)(x - 9) D. (x + 9)2

Mathematics

Write sigma notation.9 + 27 + 81 + 243 + 729

A.
B.
C.
D.

Mathematics