Solve the system of equations by the substitution method.
A. (-20, 5)
B. (5, -20)
C. infinite number of solutions
D. no solution
Answer: A
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Solve the problem.An election is held among four candidates (A, B, C, and D). Using a voting method we will call X, the winner of the election is candidate A. Due to an irregularity in the original procedures, a new election is required. Before the new election takes place, one of the voters changes his mind and moves A from third choice to second choice on his ballot. All other voters vote the same way they did in the original election. In the new election, still using voting method X, candidate D wins the election. Based on this information, we can say that voting method X violates the
A. majority criterion. B. monotonicity criterion. C. independence of irrelevant alternatives criterion. D. Condorcet criterion. E. none of these
Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.Toys4U purchases tricycles for $26. The store's operating expenses are 20% of cost with a net profit of 11% of cost. Find the selling price of one tricycle.
A. $28.34 B. $17.94 C. $23.66 D. $34.06
Evaluate Cn,xpxqn-x for the given values of n, x, and p.n = 30, x = 12, p = 0.20
A. 0.0139 B. 0.0028 C. 0.1082 D. 0.0064
Convert the given unit of measure to the measure shown.76.43 grams to milligrams
A. 0.07643 milligram B. 0.007643 milligram C. 7,643 milligrams D. 76,430 milligrams