Find the equation of the normal line to the given surface at the specified point.


Mathematics

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Estimate error made by using the partial sum S4 as an approximation to the sum S of the entire series., -1 < t ? 1

A.
B.
C.
D. 0.20

Mathematics

Find the nth term of the arithmetic sequence with the given values.a1 = -0.08, d = 0.05, n = 18

A. 0.82 B. 0.77 C. 0.85 D. -0.93

Mathematics

Use the information below to determine the cardinality of the set. U = {x | x ? N and x ? 12} A = {x | x ? N and 6 < x < 12} B = {x | x ? N and x is even and x < 12}n(A ? B)

A. 12 B. 2 C. 3 D. 8

Mathematics

Solve the triangle. Approximate values to the nearest tenth when appropriate.a = 6.3, b = 13.8, c = 16.9

A. ? = 22.7°, ? = 48.7°, ? = 108.6° B. ? = 18.7°, ? = 50.7°, ? = 110.6° C. ? = 20.7°, ? = 50.7°, ? = 108.6° D. No solution

Mathematics