Find the area of the specified region.Inside the cardioid r = ?(1 + sin ?), ? > 0

A.
B.  + 2?2
C. 2??
D.  - 2?2


Answer: A

Mathematics

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Solve the problem.About how much will  change if the point    moves from    a distance of    unit in the direction of  

A. - 
B.
C. - 
D. - 

Mathematics

Find the distance between the pair of points.(2, 3) and (-4, -2)

A.  units
B. 30 units
C. 61 units
D.  units

Mathematics

Solve.The population of a particular city is increasing at a rate proportional to its size. It follows the function P(t) = 1 + ke0.07t where k is a constant and t is the time in years. If the current population is 16,000, in how many years is the population expected to be 40,000? (Round to the nearest year.)

A. 7 yr B. 13 yr C. 6 yr D. 81 yr

Mathematics

Solve the equation.8x - 1 = 55(Round to the nearest thousandth.)

A. {3.927} B. {1.927} C. {7.333} D. {2.927}

Mathematics