Radium - 226 has a half-life of 1600 years. Suppose we have a 300 g sample. How much of the sample remains after 200 years?
(a) 105.61 g
(b) 124.61 g
(c) 275.1 g
(d) 288.1 g
(e) 200.1 g
(c) 275.1 g
Mathematics
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Find numbers a and b, or k, so that f is continuous at every point.
A. a = 8, b = 85 B. a = -27, b = 45 C. a = 8, b = 5 D. Impossible
Mathematics
Solve the problem. Round to the nearest hundredth.945 is what percent of 1685?
A. 0.56% B. 0.06% C. 178.31% D. 56.08%
Mathematics
What is the coefficient of variation for this set of numbers: 6, 5, 2, 9, 0, 3, 3?
A. 4 B. 73.5% C. 136% D. 2.94
Mathematics
Graph the linear inequality.y ? 5x
A. 
B. 
C. 
D. 
Mathematics