Determine whether the two pairs of numbers are proportional.28, 6 and 42, 9
A. Yes
B. No
Answer: A
Mathematics
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Calculate the instantaneous velocity for the given value of t of an object moving with rectilinear motion according to the given function relating s (in feet) and t (in seconds).s = t2 + 3t; t = 2
A. 7 ft/s B. 4 ft/s C. -4 ft/s D. 6 ft/s
Mathematics
Convert the number to binary form.6BDsixteen
A. 10110101110two B. 11010111101two C. 11010111011two D. 10011011101two
Mathematics
Determine if the given polar coordinates represent the same point.(4, ?/6), (-4, 7?/6)
A. Yes B. No
Mathematics
250 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 75 and standard deviation ? = 10.The average score on the exam was approximately
A. 85. B. 10. C. 95. D. 75. E. none of these
Mathematics