Solve the problem.How old is a skeleton that has lost 19% of its carbon-14? The decay rate, k, of carbon-14 is 0.01205% per year.
A. 13,782 years
B. 1749 years
C. 17 years
D. 1171 years
Answer: B
You might also like to view...
Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $5 per foot for two opposite sides, and $2 per foot for the other two sides. Find the dimensions of the field of area 790 ft2 that would be the cheapest to enclose.
A. 17.8 ft @ $5 by 44.4 ft @ $2 B. 44.4 ft @ $5 by 17.8 ft @ $2 C. 11.2 ft @ $5 by 70.3 ft @ $2 D. 70.3 ft @ $5 by 11.2 ft @ $2
Find the difference quotient, 
, for the function and simplify it.a(x) = 
A. 
B. 
C. 
D. 
Determine the domain and range of the function.
A. domain: (-2, ?); range: (-2, ?) B. domain: [-2, ?); range: [-2, 2] C. domain: [-2, 2]; range: [-2, ?) D. domain: [-2, ?); range: [-2, ?)
Solve the problem.The following data is exactly linear. Find a linear function that models the data, and use the function to solve the inequality f(x) > 
.
A. x > - 
B. x > 
C. x > 
D. x < 2