Solve the problem.If $2500 is invested in an account that pays interest compounded continuously, how long will it take to grow to $5000 at 9%?
A. 8.0 years
B. 7.7 years
C. 10.8 years
D. 6.2 years
Answer: B
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Find an equation of an ellipse satisfying the given conditions.Foci: (±8, 0), vertices: (±10, 0)
A. 36x2 + 100y2 = 3600 B. 100x2 + 36y2 = 3600 C. 36x2 + 100y2 = 100 D. 36x2 - 100y2 = 36
Write the binomial expansion of the expression.(-3x2 - y)5
A. -243x10 + 405x8y - 270x6y2 + 90x4y3 - 15x2y4 + y5 B. -243x10 - 405x8y + 270x6y2 - 90x4y3 + 15x2y4 - y5 C. + 243x10 + 405x8y + 270x6y2 + 90x4y3 + 15x2y4 + y5 D. -243x10 - 405x8y - 270x6y2 - 90x4y3 - 15x2y4 - y5
Convert the given unit of measure to its base unit - meters, grams, or liters.77.53 mm
A. 77,530 m B. 7753 m C. 0.7753 m D. 0.07753 m
Solve the problem.30 marbles are to be divided into three bags so that the second bag has three times as many marbles as the first bag and the third bag has twice as many as the first bag. If x is the number of marbles in the first bag, find the number of marbles in each bag by solving the equation x + 3x + 2x = 30.
A. 1st bag = 6 marbles; 2nd bag = 18 marbles; 3rd bag = 12 marbles B. 1st bag = 6 marbles; 2nd bag = 14 marbles; 3rd bag = 10 marbles C. 1st bag = 5 marbles; 2nd bag = 10 marbles; 3rd bag = 15 marbles D. 1st bag = 5 marbles; 2nd bag = 15 marbles; 3rd bag = 10 marbles