Solve the problem.A painter is going to apply a special coating to a triangular metal plate on a new building. Two sides measure are 14.6 m and 6.4 m. She knows that the angle between these sides is 24.6°. What is the area of the surface she plans to cover with the coating? Round to the nearest square meter.

A. 42 m2
B. 19 m2
C. 44 m2
D. 17 m2


Answer: B

Mathematics

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Find the surface area of the geometric solid. If needed, use 3.14 as an approximation for ? and round the answer to the nearest tenth.Sphere: r = 5 mi

A. 104.7 mi2 B. 314 mi2 C. 523.3 mi2 D. 78.5 mi2

Mathematics

Solve the problem.A college campus consists of eight buildings, each represented by a vertex on the graph below. The Board of Trustees is considering a plan to create a high-speed fiber optic network linking all the buildings. On the figure below, planning engineers have indicated the cost of various runs of cable in thousands of dollars. Use Kruskal's algorithm to design a network layout that will connect all the buildings at minimum cost. Also, compute the cost of your proposed layout.

What will be an ideal response?

Mathematics

Find the area of the circle. Use 3.14 or  for ? as indicated.Use 3.14 for ?.

A. 1133.54 ft2 B. 238.64 ft2 C. 4534.16 ft2 D. 119.32 ft2

Mathematics

Solve.-2x - 5(x + 2) = -3(2x + 3)

A. -1 B. -19 C. 1 D. 19

Mathematics