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# b c and

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is regulated by the hippocampus A & C B & C
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, and C , but not necessarily in that order. If A B is 16 inches long, B C is 25 inches long, and A C is 9 inches long, which of the following statements correctly gives the positions of pebbles A , B , and C ?
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ing symbol S, the set of terminals {0,1}, the nonterminals {S,A,B,C}, and the following production rules: S -> 0 | 0A A -> 0A | 1B | 1C B -> 0B | 1A | 1 C -> 1C
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epartment produces, each day, components sufficient to make 50 units of A, 25 units of B and 30 units of C. The management is confronted with the problem of optimizing the daily production of products in assembly department where only 100 man-hours are available daily to assemble the products. The following additional information is available. Type of product Profit Contribution per unit of Product (Rs) Assembly time pee product (hrs) A 12 0.8 B 20 1.7 C 45 2.5 The company has a daily order commitment for 20 units of product A and a total of 5 units of product B and C. Formulate this problem as a LP model so as to maximize the total profit.
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, ACD®B, D®EF, BE®C, CF®BD, CE ®AF). (a) Find (BD)+ (b) Find (AB)+ (c) Find Candidate Keys for R Question 3 Given the scheme R= (ABC), and following set of functional dependencies: F = (A®BC, B® AC, C ® AB). (a) Find closure (BC, F) (b) Find at least one candidate key for R. (c) Find at least one super-key for R which is not the same as your answer in (b). (d) Find at least one minimal cover for a relational scheme (ABC). Show work. (e) Provide a 3NF decomposition for R. Question 4 Consider the following set of FDs: F = (A ® B, AB ® C, D ® AC, D ® E) G = (A ® BC, D ® AE) H = (A ® BC, B ® C, A ® B, AB ® C, AC ® D). (a) Is F ≡ G? Show your work. (b) Find the minimal cover for H. Show work.
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ne. You buy product A for \$16 and sell it for \$19. Each unit of product B brings you \$12 of profit and each unit of product C costs \$31. You lost your inventory books but you have the following information about the last month: Your total profit was \$17,334 The total number of products B and C you sold were 1,269 The only delivery of product C you received was for \$15,531 You fulfilled an order for one product A and one product C and you charged the customer \$56. Find the number of sold items and the profit for each product.
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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

mathematicsalgebra Physics