Solve the problem.Suppose the following matrix represents the input-output matrix of a primitive economy. How much of each commodity should be produced to produce 5 bushels of yams and 1 pigs?
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Answer: D
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Compute the compound interest.Assume the cost of a car is $23,000. With continuous compounding in effect,find the number of years it would take to double the cost of the car at an annual inflation rate of 6.4%. Round the answer to the nearest hundredth.
A. 156.93 yr B. 10.83 yr C. 167.76 yr D. 1.57 yr
Simplify the expression. Assume that all variables are positive.
? 
A. 
B. 15
C. 225
D. 30
Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.8th term is 47; 14th term is 11
A. a1 = 89, d = -6, an = an-1 - 6 B. a1 = 95, d = -6, an = an-1 - 6 C. a1 = 95, d = 6, an = an-1 + 6 D. a1 = 89, d = 6, an = an-1 + 6
The comparative bar graph below shows the number of male and female athletes at a university over a four-year period. Use the comparative bar graph to answer the question.
In which year did the greatest difference between the number of male athlete and female athletes occur? Find the difference.
A. 2005; 150 athletes B. 2005; 100 athletes C. 2005; 200 athletes D. 2003; 100 athletes