Find the angle between the given vectors. Round to the nearest tenth of a degree.u = -3i + 4j, v = 7i + 5j
A. 135.5°
B. 62.8°
C. 125.5°
D. 52.8°
Answer: C
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Evaluate the work done between point 1 and point 2 for the conservative field F.F = (y + z)i + xj + xk; P1(0, 0, 0), P2(8, 6, 4)
A. W = 0 B. W = 48 C. W = 16 D. W = 80
Solve.The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. The helicopter flies for 2 hours and uses 16 gallons of fuel. Find the number of gallons of fuel that the helicopter uses to fly for 5 hours.
A. 48 gallons B. 45 gallons C. 40 gallons D. 10 gallons
Provide an appropriate response.Use division to express the (Dividend) as (Divisor)(Quotient) + (Remainder).
A. (x - 2)(2x2 + x - 3) - 2 B. (x + 2)(2x2 + x + 3) + 10 C. (x - 2)(2x2 +7x + 9) + 22 D. (x - 2)(2x2 - 7x + 11) + 18
Find the volume specified. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the volume of a tent having the shape of a rectangular solid of length 11 ft, width 14 ft, and height 5 ft topped by a rectangular pyramid of the same width and length with height 4 ft.
A. 975.3 ft3 B. 1540.0 ft3 C. 205.3 ft3 D. 410.6 ft3