Solve the problem.The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. If V = 154.0 in.3 when T = 210° and P = 15 lb/in.2, what is the volume when T = 350° and P = 10 lb/in.2?
A. 345.0 in.3
B. 395.0 in.3
C. 375.0 in.3
D. 385.0 in.3
Answer: D
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A. 70% B. 1.2% C. 17.5% D. 5.17%
Write the equation for the plane.The plane through the point P(6, 5, -5) and normal to n = 8i + 3j + 6k.
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List the factors of the number.42
A. 1, 2, 3, 6, 7, 14, 28, 42 B. 1, 7, 6, 42 C. 7, 6, 14, 42 D. 1, 2, 3, 6, 7, 14, 21, 42
Two curves are said to be orthogonal if their tangent lines are perpendicular at each point of intersection of the curves. Show that the curves of the given equations are orthogonal.
