Solve the problem.If friction is ignored, the time t (in seconds) required for a block to slide down an inclined plane is given by the formula t = where a is the length (in feet) of the base and g ? 32 feet per second per second is the acceleration of gravity. How long does it take a block to slide down an inclined plane with base a = 14 when  If necessary, round the answer to the nearest tenth of a second.

A. 0.4 sec
B. 2.4 sec
C. 1.4 sec
D. 1.7 sec


Answer: C

Mathematics

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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 

A. 0 B. -12 C. 1 D. -4

Mathematics

Find the probability. Round to the nearest ten-thousandth when necessary.A bag contains 6 cherry, 3 orange, and 2 lemon candies. You reach in and take 3 pieces of candy at random. Find the probability that you have 2 cherry candies and 1 lemon candy.

A. 0.3636 B. 0.1818 C. 0.7272 D. 0.1212

Mathematics

Find the area of the figure using determinants.

A. 10.5 B. 10.0 C. 13.5 D. 9.5

Mathematics

Solve the problem.In 1992, the population of a country was estimated at 5 million. For any subsequent year, the population, P(t) (in millions), can be modeled using the equation  where t is the number of years since 1992. Determine the year when the population will be 39 million.

What will be an ideal response?

Mathematics