Expand the expression using the Binomial Theorem.(2x - 1)4
A. (4x2 - 2x + 1)4
B. -16x4 + 32 x3 + 24x2 + 8x + 1
C. 16x3 - 32x2 + 24x - 8
D. 16x4 - 32x3 + 24x2 - 8x + 1
Answer: D
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Solve the problem.A field microphone used at a soccer game has a parabolic cross section and is 16 in. wide at the opening. The focus is 16 in. from the vertex. Find the depth of the microphone.
A. 16.00 in. B. 4.00 in. C. 0.44 in. D. 1.00 in.
Perform the operations indicated. Write your answer in simplest form.9 + (-13)
A. 4 B. 22 C. -4 D. -22
Find an equation of an ellipse satisfying the given conditions.Foci: (0, ±4), vertices: (0, ±5)
A. 25x2 + 9y2 = 225 B. 25x2 + 9y2 = 650 C. 25x2 + 9y2 = 641 D. 25x2 + 9y2 = 425
Solve.A painting in a museum is 90 centimeters wide. Convert this width to inches. Round answer to the nearest hundredth, if necessary.
A. 295.2 in. B. 27.44 in. C. 228.6 in. D. 35.43 in.