Convert the angle to a decimal in degrees. Round the answer to two decimal places.31°39'18''

A. 31.66°
B. 31.62°
C. 31.67°
D. 31.72°


Answer: A

Mathematics

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Identify the number as prime or composite.19

A. Prime B. Composite

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Let C be a smooth curve defined by r(t) = 7i+tj+4tk, and let T(t) and N(t0 be the unit tangent vector and unit normal vector to C corresponding to t. The plane determined by T and N is called the osculating plane. Find an equation of the osculating plane of the curve described by r(t) at t =1.

What will be an ideal response?

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Perform the indicated operation.(-7x5 + 2x7 + 6 + 3x6) - (7 + 8x6 + 6x7 + 4x5)

A. 8x7 + 11x6 - 3x5 - 1 B. 8x7 + 11x6 - 3x5 + 13 C. -4x7 - 5x6 - 11x5 - 1 D. -4x7 + 11x6 - 3x5 + 13

Mathematics