Sketch a vector v that models the given situation and express v as . A tailwind of 49 miles per hour relative to an airplane flying on a bearing of 158° (Round to the nearest whole number.)  NS

A.


B.

C.

D.


Answer: D

Mathematics

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Solve.The speeds of pulleys are inversely proportional to the lengths of their diameters. The diameter of pulley A is 18 cm and the diameter of pulley B is 8 cm. If pulley B turns at 342 rpm's, how fast does pulley A turn?  

A. 749.3 rpm's B. 769.5 rpm's C. 152 rpm's D. 174 rpm's

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Find the slope of the line passing through the points (-3, 5) and (7, 13).

What will be an ideal response?

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Determine whether the function satisfies a Laplace equation.f(x, y, z) = 5x2 - 3y2 - 2z2

A. Yes B. No

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What term of the arithmetic sequence is the given number?805, 785, 765, . . . ; -515

A. 66 B. 64 C. 67 D. 63

Mathematics