In a biology class, the following test scores were recorded for a student: 73, 65, 61, 61, 73, 75. Find the mean, median, and mode for the data.
A. mean: 68, median: 69, mode: 61 and 73
B. mean: 69, median: 69, mode: 61
C. mean: 69, median: 68, mode: 73
D. mean: 68, median: 61, mode: 75
Answer: A
Mathematics
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Find d2y/dx2 without eliminating the parameter.x = ln(9t), y = e9t, t > 0
A. 9e9t + 81te9t B. -81t2e9t C. 9te9t + 81t2e9t D. te9t + 9t2e9t
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Write in radical form. Assume all variables represent positive real numbers.7x1/5
A.
B.
C. 7
D.
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Match the solution of the system of inequalities with the graph.
A.
B.
C.
D.
Mathematics
Express the distance between the given numbers using absolute value. Then find the distance by evaluating the absolute value expression.1.5 and 48.3
A. |48.3 - 1.5| = -46.8 B. |1.5 - 48.3| = 46.8 C. |48.3 + 1.5| = 49.8 D. -|1.5 + 48.3| = -49.8
Mathematics