Solve the problem.A ship sailing parallel to shore sights a lighthouse at an angle of 12° from its direction of travel. After traveling 2 miles farther, the angle is 22°. At that time, how far is the ship from the lighthouse?
A. 1.11 mi
B. 4.31 mi
C. 2.39 mi
D. 2 mi
Answer: C
Mathematics
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Use the range rule of thumb to approximate the standard deviation.The race speeds for the top eight cars in a 200-mile race are listed below. Round results to the nearest tenth.188.5 188.6 189.2 187.2 175.6 178.5 176.8 185.4
A. 3.4 B. 1.1 C. 6.8 D. 7.5
Mathematics
Simplify.4
A. 36
B. 156
C. 12
D. 3
Mathematics
Multiply.(3r + 2)(3r3 + 4r2 + 2r - 3)
A. 9r4 + 18r3 + 10r2 - 5r - 6 B. 9r4 + 20r3 + 14r2 - 5r - 6 C. 9r4 + 18r3 + 14r2 - 5r - 6 D. 9r4 + 18r3 + 14r2 - 9r - 6
Mathematics
A sphere is to be painted. How much surface area must be covered if the radius is 3.6 feet? Leave the answer in terms of p.
(a) 57.6p ft² (b) 51.84p ft² (c) 62.21p ft² (d) 14.4p ft²
Mathematics