At Westonci.ca, we provide clear, reliable answers to all your questions. Join our vibrant community and get the solutions you need. Discover detailed solutions to your questions from a wide network of experts on our comprehensive Q&A platform. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

A closed box with a square base of length x and height of length y is to be constructed so that it's surface area is S=12(pi)ft^2. Express the volume of the box V, as a function of the width of the box, x

Sagot :

A closed box with a square or rectangular base will be a cuboid. To find the volume of this box let's know the things given in the question,

  • Closed box with a square base with each side of 'x' units.
  • Height of the box = y units
  • Surface area of the box = 12π square feet

Volume of a cuboid will be given by,

     V = Length × Width × Height

Substitute the measures in the expression,

     V = [tex]x\times x\times y[/tex] [Since, base is a square]

     V = [tex]x^2y[/tex] ---------(1)

Since, surface area of a cuboid is given by,

      S = 2(lb + bh + hl)

Here, l = Length, b = width and h = height

Therefore, S = [tex]2(x\times x)+2(x\times y)+2(y\times x)[/tex]

                  S = [tex]2(x^2+2xy)[/tex]

Now substitute the value of Surface area,

      12π = [tex]2(x^2+2xy)[/tex]

      [tex]y=\frac{6\pi-x^2}{2x}[/tex]

By substituting the value of y in expression (1),

      [tex]V=\frac{x^2(6\pi-x^2)}{2x}[/tex]

         Therefore, expression for the volume of the box will be [tex]V=\frac{x^2(12\pi-x^2)}{2x}[/tex]

Learn more,

https://brainly.com/question/10541659

Thanks for using our service. We aim to provide the most accurate answers for all your queries. Visit us again for more insights. We hope our answers were useful. Return anytime for more information and answers to any other questions you have. Find reliable answers at Westonci.ca. Visit us again for the latest updates and expert advice.