Convert as indicated. Express the answer in decimal form when needed.15,840 feet per hour to miles per hour

A. 79.2 mi/hr
B. 3.5 mi/hr
C. 4 mi/hr
D. 3 mi/hr


Answer: D

Mathematics

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Provide the proper response.If an ellipse has vertices at (-7, 0), (7, 0), (0, 9), and (0, -9), what is its domain? What is its range?

A. Domain: [-7, 7]; Range: [-9, 9] B. Domain: [-7, 9]; Range: [-9, 7] C. Domain: [-9, 9]; Range: [-7, 7] D. Domain: [0, 7]; Range: [0, 9]

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Find the inverse of the invertible matrix.

A.
B.
C.
D.

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Determine if the sequence is arithmetic. If the sequence is arithmetic, find the common difference.a1 = -6, an = an - 1 + 8

A. yes, 8 B. yes, 1 C. no D. yes, -6

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Round the number to the specified place value.1.5553 to the nearest tenth

A. 1.7 B. 1.56 C. 1.5 D. 1.6

Mathematics