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Tems11 [23]
3 years ago
6

A packing box has the dimensions 3 by 2 by 5 1/2 feet. What is the volume of the box?

Mathematics
1 answer:
dem82 [27]3 years ago
6 0
As already mentioned, the volume for a rectangular prism, namely a box in this case, is just the product of its dimensions, length * width * height.

\bf \textit{volume of a rectangular prism}\\\\
V=LWH\quad 
\begin{cases}
L=length\\
W=width\\
H=height\\
------\\
L=3\\
W=2\\
H=5\frac{1}{2}
\end{cases}\implies V=3\cdot 2\cdot 5\frac{1}{2}
\\\\\\
V=3\cdot 2\cdot \cfrac{5\cdot 2+1}{2}\implies V=6\cdot\cfrac{11}{2}\implies V=3\cdot \cfrac{11}{1}
\\\\\\
V=33

now, as far as another one... hmm is easier if you post in the channel, that way I can include any graphs if needed or tables and such.

so, what happens if you double up the dimensions?

\bf \textit{volume of a rectangular prism}\\\\
V=LWH\quad 
\begin{cases}
L=length\\
W=width\\
H=height\\
------\\
L=6\\
W=4\\
H=10
\end{cases}\implies V=6\cdot 4\cdot 10\implies V=240\\\\
-------------------------------\\\\
\begin{cases}
L=6(2)\\
W=4(2)\\
H=10(2)
\end{cases}\implies V=6(2)8(2)10(2)\implies V=(2)(2)(2)6\cdot 8\cdot 10
\\\\\\
V=(8)6\cdot 8\cdot 10\implies V=(8)\stackrel{original~volume}{240}

notice, how many times the new size is, is 8 times the original.
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You are looking at two area rugs for your bedroom. One is a square with a side length of 6.3 feet. The other is a rectangle that
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Square Rug
-----------------------------------------------------------------
Area = Length x Length
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-----------------------------------------------------------------
Rectangle Rug
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39.69 ft²  is bigger than 29.36 ft², so the square rug is bigger.

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Ans: The Square Rug covers a greater area
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8 0
3 years ago
I need help with this work
hammer [34]

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no

Step-by-step explanation

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