Find the indicated vector.Let u = 3i, v = i + j. Find 6u + v.
A. 11i + j
B. 19i + j
C. i + 19j
D. 19i + 6j
Answer: B
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Use the problem-solving strategy for applications of linear equations to solve the application problem.Tom Quig traveled 200 miles east of St. Louis. For most of the trip he averaged 70 mph, but for one period of time he was slowed to 10 mph due to a major accident. If the total time of travel was 8 hours, how many miles did he drive at the reduced speed?
A. 70 mi B. 80 mi C. 60 mi D. 55 mi
Find the volume of the figure.
A. 1.57 m3 B. 37.68 m3 C. 4.71 m3 D. 9.42 m3
Convert the temperature. Give your answer to the nearest tenth of a degree.22°F = °C
A. 19.8°C B. 71.6°C C. -5.6°C D. 7.6°C
Find the center and radius of the circle.(y + 8)2 = 36 - (x + 2)2
A. Center: (-2, -8); radius: 6 B. Center: (8, 2); radius: 36 C. Center: (2, 8); radius: 6 D. Center: ( -8, -2); radius: 36