Rewrite the expression using the Distributive Property and simplify the result.-1(9 - 9m3)
A. 9 + 9m3
B. -9 + 9m3
C. -9 - 9m3
D. 9 - 9m3
Answer: B
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Solve the problem.The strength S of a rectangular wooden beam is proportional to its width times the square of its depth. Find the dimensions of the strongest beam that can be cut from a cylindrical log. (Round answers to the nearest tenth.)
A. w = 6.4 in.; d = 9.0 in. B. w = 7.4 in.; d = 10.0 in. C. w = 5.4 in.; d = 10.0 in. D. w = 7.4 in.; d = 8.0 in.
Find the vertex, focus, and directrix of the parabola with the given equation.(x - 1)2 = 20(y - 3)
A. vertex: (-1, -3) focus: (-1, 2) directrix: y = -8 B. vertex: (3, 1) focus: (3, 6) directrix: y = -4 C. vertex: (1, 3) focus: (1, -2) directrix: x = 8 D. vertex: (1, 3) focus: (1, 8) directrix: y = -2
Solve the equation by using the square root property. Simplify all radicals.(7m - 1)2 - 63 = 0
A.
B.
C.
D.
Find the expected value.A car agency has found daily demand to be as shown in the table.Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2