Solve the problem.Technology matrix A, representing interindustry demand, and matrix D, representing consumer demand for the sectors in a three-sector economy, are given. Use the matrix equation 
to find the production level X that will satisfy both demands.A = 
, D = 
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Answer: C
Mathematics
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Solve using the addition principle.x + 
= 
A. 
B. 1
C. 
D. 
Mathematics
Find any restricted values for the given rational expression.
A. x = - 
, x = 8
B. x = 8
C. none
D. x = 32
Mathematics
Solve the problem.The expected future population of a small town, which currently has 7200 residents, can be approximated by the formula y = 7200(1.9)-0.2twhere t is the number of years in the future. Find the expected population of the town 40 years in the future.
A. 42 B. 7200 C. 2736 D. 1
Mathematics
Solve for the indicated variable.c = 
, for t
A. t = 
B. t = 
C. t = 
D. t = 
Mathematics