Dimensions of box that minimize the material used

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SUMMARY

The discussion focuses on optimizing the dimensions of a box with a square base and an open top to minimize material usage while maintaining a volume of 32,000 cm³. The surface area (Sa) is defined by the equation Sa = 4xy + x², and the volume is given by Volume = x²y. The user successfully determined the optimal dimensions after initial uncertainty.

PREREQUISITES
  • Understanding of calculus, specifically optimization techniques.
  • Familiarity with the concepts of surface area and volume in geometry.
  • Knowledge of algebraic manipulation and solving equations.
  • Basic understanding of derivatives and their application in finding minima.
NEXT STEPS
  • Study optimization techniques in calculus, focusing on finding minima and maxima.
  • Explore geometric properties of three-dimensional shapes, particularly boxes.
  • Learn about the application of derivatives in real-world problems.
  • Investigate related optimization problems involving constraints and multiple variables.
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Students in mathematics or engineering fields, particularly those studying optimization problems, as well as educators looking for practical examples of calculus applications.

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Homework Statement


A box with a square base and open top must have a volume of 32,000cm^3. Find the dimensions of the box that minimize the amont of material used.

Homework Equations


Sa(surface area)=4xy+x^2
Volume=x^2y

The Attempt at a Solution


I want to minimize Sa I am pretty sure so how do i begin?
 
Last edited:
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Never mind I figured it out.
 

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