Solve.The pressure of a gas varies jointly as the amount of the gas (measured in moles) and the temperature and inversely as the volume of the gas. If the pressure is
(kiloPascals) when the number of moles is 8, the temperature is
, and the volume is
, find the pressure when the number of moles is 11, the temperature is
, and the volume is
src="https://sciemce.com/media/4/ppg__10630191635__f1q43g5.jpg" alt="" style="vertical-align: -4.0px;" />.
A. 1120
B. 1040
C. 480
D. 520
Answer: B
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Solve the problem.In a certain memory experiment, subject A is able to memorize words at a rate given by In the same memory experiment, subject B is able to memorize at the rate given by
How many more words does subject B memorize from t = 0 to t = 17 (during the first 17 minutes)?
A. -29 B. -10 C. 77 D. 72
A fixed point of f is a value of x that satisfies the equation f(x) = x; it corresponds to a point at which the graph of f intersects the line y = x. Find all the fixed points of the function. Use preliminary analysis and graphing to determine good initial approximations. Round approximations to six decimal places.f(x) = 3 sin x on [0, 2?]
A. x = 0 and x ? 2.389974 B. x = 0 and x ? 2.167752 C. x = 0 and x ? 2.278863 D. x = 0 and x ? 1.756641
Identify the equation as representing either a circle, a parabola, an ellipse, or a hyperbola.21y2 = 3x(3 - 7x) + 4
A. Circle B. Parabola C. Ellipse D. Hyperbola
Find the slope and the y-intercept of the line.4x - 5y = -5
A. slope: ; y-intercept: (0, -1)
B. slope: ; y-intercept: (0, 1)
C. slope: - ; y-intercept: (0, -1)
D. slope: - ; y-intercept: (0, 1)