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Setler79 [48]
3 years ago
6

8. Which dimensions of a box give the biggest volume?

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
6 0

\underline \bold{ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: }

\huge\underline{\sf{\red{Problem:}}}

  • 8. Which dimensions of a box give the biggest volume?

  • a. 15cm x 5cm x 4cm
  • b. 6cm x 5cm x 7cm
  • c. 12cm x 8cm x 3cm
  • d. 6cm x 8cm x 7cm.

\underline{\sf{\red{Formula:}}}

\quad\quad\quad\quad\boxed{\sf{\red{➢} \: \sf{v=l×w×h}} }

\underline{\sf{\red{Solution \: for \: a:}}}

\quad\quad\quad\quad\sf{\red{➢} \: \sf{v=l×w×h}}

\quad\quad\quad\quad\sf{ \red{➢ } \: 15cm \times 5cm \times 4cm}

\quad\quad\quad\quad\sf{ \red{➢ } \: \boxed{ \sf{300 \: {cm}^{3} }}}

\underline{\sf{\red{Solution \: for \: b:}}}

\quad\quad\quad\quad\sf{\red{➢} \: \sf{v=l×w×h}}

\quad\quad\quad\quad\sf{ \red{➢ } \: 6cm \times 5cm \times 7cm}

\quad\quad\quad\quad\sf{ \red{➢ } \: \boxed{ \sf{210 \: {cm}^{3} }}}

\underline{\sf{\red{Solution \: for \: c:}}}

\quad\quad\quad\quad\sf{\red{➢} \: \sf{v=l×w×h}}

\quad\quad\quad\quad\sf{ \red{➢ } \: 12cm \times 8cm \times 3cm}

\quad\quad\quad\quad\sf{ \red{➢ } \: \boxed{ \sf{288 \: {cm}^{3} }}}

\underline{\sf{\red{Solution \: for \: d:}}}

\quad\quad\quad\quad\sf{\red{➢} \: \sf{v=l×w×h}}

\quad\quad\quad\quad\sf{ \red{➢ } \: 6cm \times 8cm \times 7cm}

\quad\quad\quad\quad\sf{ \red{➢ } \: \boxed{ \sf{336 \: {cm}^{3} }}}

\huge\underline{\sf{\red{Answer:}}}

\huge\quad\quad\underline{\boxed{\sf{\red{d.)\:{336cm}^{3}} }}}

\underline \bold{ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: }

\sf{\red{︎✰}ShineBrighter\red{︎✰}}

\sf{✍︎ C.Rose\red{❀}}

ฅ^•ﻌ•^ฅ

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The vertex form of the equation of a parabola is:

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Substitute h = -2, k = 5.5, x = -2.5, and y = 2.5 into the equation to solve for a.

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