Moreno Garza
08/31/2023 · Junior High School
(c.) Determine the surface area of the box in terms of \( x \). (b) Determine the volume of the box in terms of \( x \). (c) Determine the surface area in terms of \( x \) if the breadth a is doubled. Determine the volume in terms of \( x \) if the length is one (te original length.
UpStudy ThothAI Solution
Tutor-Verified Answer
Step-by-step Solution
To solve the problem, we need to define the dimensions of the box in terms of \( x \). Let's assume the following:
- Length of the box: \( l = x \)
- Breadth of the box: \( b \)
- Height of the box: \( h \)
### (a) Surface Area of the Box in Terms of \( x \)
The surface area \( S \) of a rectangular box is given by the formula:
\[
S = 2(lw + lh + wh)
\]
Substituting \( l = x \):
\[
S = 2(xb + xh + bh)
\]
### (b) Volume of the Box in Terms of \( x \)
The volume \( V \) of a rectangular box is given by the formula:
\[
V = l \cdot b \cdot h
\]
Substituting \( l = x \):
\[
V = x \cdot b \cdot h
\]
### (c) Surface Area in Terms of \( x \) if the Breadth is Doubled
If the breadth \( b \) is doubled, the new breadth becomes \( 2b \). The new surface area \( S' \) is:
\[
S' = 2(x(2b) + xh + (2b)h)
\]
Simplifying this:
\[
S' = 2(2xb + xh + 2bh) = 4xb + 2xh + 4bh
\]
### (d) Volume in Terms of \( x \) if the Length is One (the Original Length)
If the length is set to 1, then we have:
\[
l = 1
\]
The volume \( V' \) becomes:
\[
V' = 1 \cdot b \cdot h = b \cdot h
\]
### Summary
- **Surface Area in terms of \( x \)**: \( S = 2(xb + xh + bh) \)
- **Volume in terms of \( x \)**: \( V = x \cdot b \cdot h \)
- **Surface Area if breadth is doubled**: \( S' = 4xb + 2xh + 4bh \)
- **Volume if length is one**: \( V' = b \cdot h \)
Quick Answer
Surface Area in terms of \( x \): \( S = 2(xb + xh + bh) \)
Volume in terms of \( x \): \( V = x \cdot b \cdot h \)
Surface Area if breadth is doubled: \( S' = 4xb + 2xh + 4bh \)
Volume if length is one: \( V' = b \cdot h \)
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