Multiply.

A.  + 81x16
B.  - 81x4
C.  - 81x16
D.  - 81x8


Answer: D

Mathematics

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Choose a reasonable method for solving the equation. Round your answers to three decimal places.



A) x=1.464, x= -1.464
B) x=1.464, x= -1.809
C) x=1.487, x= -1.464
D) x=1.809, x= -1.809
E) no real-number solution

Mathematics

Solve the problem.A satellite dish is shaped like a paraboloid of revolution. The signals that emanate from a satellite strike the surface of the dish and are reflected to a single point, where the receiver is located. If the dish is 8 feet across at its opening and is 2 feet deep at its center, at what position should the receiver be placed?

What will be an ideal response?

Mathematics

Solve the problem.This chart shows the number of meals served in a restaurant during each of the past 4 months. Assume that the information in the chart defines a function with the name g. State the domain of g.

A. {(January, 1500), (February, 1557), (March, 1541), (April, 1562)} B. {(1500, 1557, 1541, 1562)} C. {January, February, March, April} D. {(1500, January), (1557, February), (1541, March), (1562, April)}

Mathematics

Find the slope of the line that goes through the given points.(14, 2), (-13, -4)

A. - 
B.  
C.  
D. - 2

Mathematics