Find the production matrix for the input-output and demand matrices.A = 
, D =
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.For what values of x would the rectangle have a perimeter of at least 188? 2x + 3 
A. 19 or less B. 9 or greater C. 9 or less D. 19 or greater
Solve the problem.In a certain state, it is determined that 87% of all registered Republicans vote for Republican candidates, with the remainder voting for Democratic candidates. It is also determined that 84% of all registered Democrats vote for Democratic candidates, with the remainder voting for Republican candidates. The percent of voters predicted to vote for each party in the next election is given by 
= 
where x is the percent of registered Republicans and y is
the percent of registered Democrats. If 
and 
, what percent of voters are predicted to vote for Democratic candidates in the next election? Round your answer to the nearest percent.
A. 54%
B. 84%
C. 87%
D. 46%
A consumer advocate group selects a random sample of 205 snack foods and finds that 174 of them contain more fat grams than what is indicated in the snack's nutritional information. Create a 90% confidence interval for the population proportion for snack foods that contain more fat grams that what is indicated in the snack's nutritional information. Enter the lower and upper bounds for the interval in the following boxes, respectively.
For the following questions assume that all variables in radicands are non-negative numbers. Simplify.
A. 
B. 
C. 
D. 
E. None of these