أنت غيز متصل بالإنترنت، لسيتم إرسال الرنسائل التي ترسلها في ھذا الوضع عناد ما تعاود الاتال بالانترناتاء.second eIn a construction site, there are 4 excavators. Each one must be allocated to exactly one job. The timerequired to setup each excavator for each job is shown in the table below. Find the best assignment ofexcavators to jobs so the total time required for completing the jobs is minimized.job1job2job3job41.42.72.3103.124.4.3.14Q#2Consider the following inear proaramming farmulationand answerthe following

The given data is as follows Job1 Job 2 Job 3 Job 4 1 4 2 5 7 2 8 3 10 8 3 12 5 4 5 4…

Answered: struction site, there are 4 excavators.…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A farmer wants to fence in a rectangular plot of land adjacent to the south wall of his barn. No fencing is needed along the barn, and the fencing along the east side of the plot is shared with a neighbor who will evenly split the cost of that portion of the fence. Fencing costs $30 per linear foot to install and the farmer only wants to spend $9000. Let x be the length of fence that's shared with the neighbor. Find a formula for the area A(x) enclosed by the fence and the barn. What is the maximum possible area enclosed?
Consider the following graph of a system of linear inequalities: -10 -20+ 1.0 ---1-0- 10 Knowing that the overlapping region is the solution of the entire system, answer the following questions by selecting the correct response from the drop down list. a) Is the point (12,3) a solution of the system? [Select] b) Is the point (-10, −12) a solution of the system? [Select] 20 c) Is the point (8,-10) a solution of the system? [Select]
A block with initial temperature of 65°F was put inside the oven with temperature of 350°F. After 10 minutes of being inside the oven, the block's temperature is 150°F. Find the answer for the following questions. 1) Find the temperature of the object after 30 minutes. 2) Find the time when the object reaches a temperature of 250°F.
A furniture shop refinishes tables. Employees use two methods to refinish tables. Method I takes 1.5 hours and the material costs $10. Method II takes 2.5 hours, and the material costs $6. Next week, they plan to spend 280 hours in labor and $928 in material for refinishing tables. How many tables should they plan to refinish with each method? (Round to two decimal places if necessary.) Answer How to enter your answer (opens in new window) the number of tables refinished using Method I the number of tables refinished using Method II Keypad Keyboard Shortcuts
A boat, which moves at 17 miles per hour in water without a current, goes 273 miles upstream and 273 miles back again in 34 hours. Find the speed of the current to the nearest tenth. The speed of the current is Enter DNE for Does Not Exist, oo for Infinity (Work area) Distance Rate Time Upstream Downstream Total Question Help: Message instructor Submit Question miles per hour.
0,000 mi of water from one end of the course to the other. The Blue Team have a beaker which holds 200 ml. The Red Team have a beaker which holds 250ml of water. How many trips will each team need to make?
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