Solve.y2 = x + 3x + 3y = 15
A. (6, 3), (33, -6)
B. (6, -3), (-3, 0)
C. (6, 3)
D. (15, 0), (-3, 0)
Answer: A
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Solve.A 53-kg skateboarder on a 3-kg board starts coasting on level ground at 8 m/sec. Let k = 3.2 kg/sec. How long will it take the skater's speed to drop to 2 m/sec?
A. 24.26 sec B. 1.30 sec C. 22.96 sec D. -24.26 sec
Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.A = 28°B = 49°a = 14.2
A. C = 104°, b = 29.5, c = 22.8 B. C = 104°, b = 22.8, c = 29.5 C. C = 103°, b = 29.5, c = 22.8 D. C = 103°, b = 22.8, c = 29.5
Identify the type of sampling described by the proposal.At a local technical school, five auto repair classes are randomly selected and all of the students from each class are interviewed.
A. convenience sample B. simple random sample C. cluster sample D. stratified sample E. systematic sample
Classify the system as either consistent or inconsistent.
A. Consistent B. Inconsistent