Find the square roots.64
A. 9, -9
B. 8, -8
C. 10, -10
D. 16, -16
Answer: B
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Solve.A patient must drink 3 L of water in the 2-hr period before a certain test is administered. How many milliliters per hour must the patient drink?
A. 1500 mL B. 6 mL C. 1.5 mL D. 150 mL
Solve.A rectangle that is x feet wide is inscribed in a circle of radius 20 feet. Express the area of the rectangle as a function of x. Graph the function and from the graph determine the value of x, to the nearest tenth of a foot, which will maximize the area of the rectangle.
A. 28.3 feet B. 28.7 feet C. 29.1 feet D. 27.9 feet
Evaluate the determinant.
A. a - bc B. bc C. a + bc D. -bc
Solve the problem.How long will it take a sample of radioactive substance to decay to half of its original amount, if it decays according to the function A(t) = 700e-0.192t, where t is the time in years? Round to the nearest hundredth year.
A. 34.12 years B. 3.61 years C. 37.73 years D. 134.40 years