Find a value of k that will make f a probability density function on the indicated interval.f(x) = kx; [2, 4]
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Simplify the radical expression. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Find the mean of the set of data. Round to the nearest tenth.80, 42, 53, 53, 42, 80, 2, 2, 2, 80, 2, 2, 53
A. 40.9 B. 38.1 C. 36.7 D. 37.9
Mathematics
Convert the measure to its alternate U.S. or metric form. Two conversions may be required. Use a decimal approximation for the result rounded to the nearest hundredth when necessary.Convert 1900 kilograms to tons. (Convert first to pounds using a decimal approximation.)
A. 4.32 tons B. 20.9 tons C. 0.43 tons D. 2.09 tons
Mathematics
Find the difference.[-21.3 + (16.3 - 3.2)] - 2.8
A. -5.4 B. 31.6 C. -38 D. -11
Mathematics