Find the vertices and foci of the ellipse.144x2 + 64y2 = 9,216
A. Vertices: (±8, 0); Foci: (±4
, 0)
B. Vertices: (0, ±8); Foci: (0, ±4
)
C. Vertices: (±12, 0); Foci: (±4
, 0)
D. Vertices: (0, ±12); Foci: (0, ±4
)
Answer: D
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Provide an appropriate response. A trailer can haul 15 tons of freight, and a loadmaster (person who plans and loads trailers for over-the-road hauls) has an order to ship a truckload of bacterial hand soap to a Super Store Distribution Center. If one carton of the soap weighs 12.5 kilograms (including the weight of the carton and its contents), how many cartons can be loaded on the trailer without exceeding the weight limit?
A. 1,088 cartons B. 109 cartons C. 168 cartons D. 2,400 cartons
Provide an appropriate response.
Find a rounded to four significant digits if c = 3.5 cm and B = 76.3°.
A. 14.36 cm B. 0.8289 cm C. 14.78 cm D. 3.400 cm
Solve the system by the elimination method.-7x - 82 = 9y 2x - 3y = 10
A. {(-5, -5)} B. {(-4, -6)} C. {(-4, -5)} D. ?
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 1.79x - 1.86 B. y = 0.43x + 1.79 C. y = 1.79x + 0.43 D. y = -1.86x + 1.79