Give all solutions of the nonlinear system of equations, including those with nonreal complex components.x2 + xy + y2 = 19x + y = 2

A. {(4, -2), (-4, 6)}
B. {(-3, 5)}
C. {(5, -3)}
D. {(5, -3), (-3, 5)}


Answer: D

Mathematics

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Find the value of the indicated sum.

A.  +  = 
B.  +  = 
C.  +  = 
D.  +  = 

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Express the distance between the given numbers using absolute value. Then find the distance by evaluating the absolute value expression.31 and -30

A. |-31 + (-30)| = -1 B. |(-30) - 31| = -61 C. |31 - (-30)| = 61 D. |31 + (-30)| = 1

Mathematics

Make the indicated conversion within metric units of mass.58.06 grams to milligrams

A. 0.05806 mg B. 58,060 mg C. 5,806 mg D. 0.005806 mg

Mathematics

Solve the problem.Money magazine reports that the percentage of trading days in which the Dasdaq loses or gains 2% or more has been increasing since 1995 indicating more volatility in the Dasdaq. Use a graphing utility to fit an exponential function to the data. Predict the percentage of trading days in 2001 having such swings in value.

A. y = 2.353e0.610x, 91 days B. y = 1.849e0.531x, 76 days C. y = 1.278e0.611x, 92 days D. y = 1.669x1.706, 46 days

Mathematics