Solve.The distance that an object falls when it is dropped is directly proportional to the square of the amount of time since it was dropped. An object falls 128 feet in 2 seconds. Find the distance the object falls in 3 seconds.

A. 288 feet
B. 96 feet
C. 6 feet
D. 192 feet


Answer: A

Mathematics

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Provide an appropriate response.A student solved an equation by the quadratic formula and reached the step  x = .What are the solutions of the original equation?

A.
B. , - 
C. , 2
D. The equation has no real number solutions.

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Evaluate the required second order partial derivative.Find fxy(2, 5), if f(x, y) = (x - 2) ln(xy2).

A. 0.4 B. -0.5 C. -1.5 D. 1

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Write an equation. Then, solve and check.As a result of a cold front moving into the region, the temperature dropped 8.6 degrees Fahrenheit to 71.7°F. What was the temperature before the cold front moved into the region?

A. 71.7 - x = 8.6; x = 80.3°F B. x = 71.7 - 8.6; x = 63.1°F C. x - 8.6 = 71.7; x = 63.1°F D. x - 8.6 = 71.7; x = 80.3°F

Mathematics

Change the percent to a decimal.0.039%

Fill in the blank(s) with the appropriate word(s).

Mathematics