Solve the equation by making an appropriate substitution.x2/5 - x1/5 - 20 = 0
A. {5, -4}
B. {3125, -1024}
C. {-5, 4}
D. {-3125, 1024}
Answer: B
Mathematics
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Solve the quadratic equation by factoring.x2 + 5x - 14 = 0
A. {7, -2} B. {7, 2} C. {-7, 2} D. {-7, 1}
Mathematics
Calculate.-3.15 ? (-8.3)
A. 11.45 B. 26.145 C. -11.45 D. -5.15
Mathematics
Determine the domain of the expression. Write the domain in interval notation.
A. (-?, 0) ? (0, ?) B. (-?, 5) ? (5, ?) C. (-?, -5) ? (-5, ?) D. (-?, ?)
Mathematics
Solve the problem.Suppose that the quantity supplied S and quantity demanded D of baseball caps at a major league game are given by the functions S(p) = 4830 - 100p and D(p) = 110p, where p is the price. Find the equilibrium price for caps at the game. Then find the equilibrium quantity.
A. $23, $2530 B. $10, $3830 C. $10, $2530 D. $43, $530
Mathematics