Solve the problem.A searchlight is shaped like a paraboloid of revolution. If the light source is located 2 feet from the base along the axis of symmetry and the opening is 12 feet across, how deep should the searchlight be?

A. 9 ft
B. 4.5 ft
C. 18 ft
D. 0.2 ft


Answer: B

Mathematics

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Translate to a proportion and solve.  2% of what is 52 ?

A. 208 B. 1.3 C. 2080 D. 20,800

Mathematics

Solve using matrices.  6x - 5z + w = 24-x + 6y + z - 6w = 2  3x - y + 5w = 9  y - 6z - w = -11

A. (6, -1, 2, -2) B. (-1, 6, 4, -3) C. (5, 1, -2, 0) D. (1, -1, -7, -2)

Mathematics

Convert the units using unit fractions.10 gal =  qt

A. 160 B. 80 C. 5 D. 40

Mathematics

Write in logarithmic form.4-2 = 

A. log-2 = 4
B. log1/164 = -2
C. log4-2 = 
D. log4 = -2

Mathematics