Translate the problem to a system of equations, then solve using Cramer's Rule.The perimeter of a rectangle is 24 meters. If the width is doubled and the length is tripled, the perimeter is 60 meters. Determine the original width and length.
A. width = 10 m, length = 20 m
B. width = 8 m, length = 12 m
C. width = 6 m, length = 6 m
D. width = 12 m, length = 12 m
Answer: C
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Evaluate.sin-1
A. -
B.
C. -
D.
Translate to an equation and solve. 2% of what is 57 ?
A. 22,800 B. 1.43 C. 228 D. 2280
Find the asymptotes of the hyperbola.7x2 - y2 - 42x + 4y - 53 = 0
A. y - 3 = (x - 2), y - 3 = -
(x - 2)
B. y - 2 = (x - 3), y - 2 = -
(x - 3)
C. y - 2 = 7(x - 3), y - 2 = -7(x - 3)
D. y - 2 = (x - 3), y - 2 = -
(x - 3)
Solve the problem.Suppose economists use as a model of a country's economy the equation C = 0.6716D + 5.9845where C represents the consumption of products in billions of dollars and D represents disposable income in billions of dollars. Solve the equation for D and use the result to determine the disposable income D if the consumption C is $8.42 billion. Round your answer to the nearest tenth of a billion.
A. $3.6 billion B. $3.5 billion C. $11.6 billion D. $6.6 billion