Multiply.
Mathematics
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Solve the equation.-8x - 8 = -4x + 12
A. {5} B. {2} C. {-2} D. {-5}
Mathematics
Solve the problem.A man rode a bicycle for 12 miles and then hiked an additional 8 miles. The total time for the trip was If his rate when he was riding a bicycle was 10 miles per hour faster than his rate walking, what was each rate?
A. Bike: 12 mph Hike: 2 mph B. Bike: 14.5 mph Hike: 4.5 mph C. Bike: 13 mph Hike: 3 mph D. Bike: 11.5 mph Hike: 1.5 mph
Mathematics
Solve.The weight that a horizontal beam can support varies inversely as the length of the beam. Suppose that a 5-m beam can support 420 kg. How many kilograms can a 10-m beam support?
A. 8.4 kg B. 0.119 kg C. 0.0048 kg D. 210 kg
Mathematics
Simplify.
A.
B. 2x - 5
C.
D. 2x2 - 24
Mathematics