Computers and Technology, 23.10.2021 19:40 mimithurmond03
Labor costs $70/hr, machine time costs $400/hr, and 24 miles of road must be graded. a) State this problem in terms of an objective function and constraint(s). b) Solve this problem by hand using the Lagrange multiplier method. Find the optimal values of L, M, and the Lagrange multiplier. c) Check your answer by enumeration using a programming language (Python) and by using Excel Solver. d) At the last minute, before your total cost estimate must be delivered, you receive a call indicating that there is a mistake, and that 26.5 miles of road will require grading. How can you quickly provide a new estimate without additional calculations? What would your estimate be?
Answers: 3
Computers and Technology, 22.06.2019 11:10, lberman2005p77lfi
The total cost of textbooks for the term was collected from 36 students. create a histogram for this data. $140 $160 $160 $165 $180 $220 $235 $240 $250 $260 $280 $285 $285 $285 $290 $300 $300 $305 $310 $310 $315 $315 $320 $320 $330 $340 $345 $350 $355 $360 $360 $380 $395 $420 $460 $460
Answers: 2
Computers and Technology, 23.06.2019 10:20, chonawilson4
Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?
Answers: 1
Labor costs $70/hr, machine time costs $400/hr, and 24 miles of road must be graded. a) State this p...
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