Solve the problem.A patient with a mass of 89 kilograms is to receive 1.6 milligrams per kilogram of metroprolol tartrate. How much of the drug should the patient receive?
A. 142.4 mg
B. 144.4 mg
C. 87.4 mg
D. 90.6 mg
Answer: A
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Solve the problem.Find the exponent that makes the equation true: 4x = 1,048,576
A. 50 B. 9 C. 30 D. 10
Obtain an equivalent system by performing the stated elementary operation on the system. Replace the third equation by the sum of itself and -1 times the second equation. x - 2y - 7z = 17-9x + 4y + 8z = -9 7x + 6y - z = -4
A. x - 2y - 7z = 17 -9x + 4y + 8z = -9 -16x - 2y + 9z = 5 B. x - 2y - 7z = 17 16x + 2y - 9z = 5 7x + 6y - z = -4 C. x - 2y - 7z = 17 -9x + 4y + 8z = -9 -2x + 10y + 7z = -13 D. x - 2y - 7z = 17 -9x + 4y + 8z = -9 16x + 2y - 9z = 5
Find the real zeros, if any, of each quadratic function using the quadratic formula. List the x-intercepts, if any, of the graph of the function. h(x) = x2 - 4x + 20
A. x = 4 , x = -8 B. x = -2, x = 4 C. x = 6, x = -2 D. No real zeros or x-intercepts
Solve the problem.Don runs a charity fruit sale, selling boxes of oranges for $11 and boxes of grapefruit for $10. If he sold a total of 762 boxes and took in $8125 in all, then how many boxes of oranges did he sell?
A. 458 boxes B. 505 boxes C. 383 boxes D. 257 boxes