Solve the application.The diagram below shows the side view of a plan for a slanted roof. Find the unknown length in this roof plan. Give an exact answer, then approximate the length to the nearest tenth of a foot.
A. ft = 234.0 ft
B. ft ? 21.6 ft
C. ft ? 5.5 ft
D. ft ? 12.7 ft
Answer: B
Mathematics
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Solve the system of equations using the addition method.
A. (-1, -5) B. (-2, -4) C. All ordered pairs along x - 3y = 14 D. No solution
Mathematics
Solve the equation. Give the solution to three decimal places.2 5x - 3 = 13
A. {0.140} B. {1.900} C. {0.974} D. {1.340}
Mathematics
Solve the problem.A ship sailing parallel to shore sights a lighthouse at an angle of 10° from its direction of travel. After traveling 3 miles farther, the angle is 21°. At that time, how far is the ship from the lighthouse?
A. 3 mi B. 2.73 mi C. 1.45 mi D. 5.63 mi
Mathematics
Find the probability of the event.Give the probability that the roll of a die will show a number less than 7.
A.
B.
C.
D. 1
Mathematics