Solve the problem.Find all points having a y-coordinate of -1.6 whose distance from the point (3, 6.4) is 10.
A. (-3, -1.6) and (9, -1.6)
B. (0, -1.6) and (12, -1.6)
C. (1, -1.6) and (13, -1.6)
D. (-2, -1.6) and (10, -1.6)
Answer: A
Mathematics
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Find the principal unit normal vector N for the curve r(t).r(t) = (6 sin t)i + (6 cos t)j + 9k
A. N = (sin t)i + (cos t)j B. N = (-sin t)i + (cos t)j C. N = (-sin t)i - (cos t)j D. N = (-cos t)i - (sin t)j
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Fill in the blank with <, >, or = to make a true comparison statement. -0.36400 _____ -0.364
A. > B. = C. <
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Evaluate the sum.
A. 19,683 B. 729 C. 162 D. 1080
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Write the inequality in interval notation.{x |-5 < x ? -3}
A. (-?, -3] B. [-5, -3] C. [-5, -3) D. (-5, -3]
Mathematics