Math  /  Geometry

QuestionA rectangular bin has the following dimensions. Write a formula that represents the volume, V , of the bin. V=V= \square (Simplify your answer. Do not factor.)

Studdy Solution

STEP 1

What is this asking? We need to find a simplified formula for the volume of a rectangular bin given its length, width, and height. Watch out! Don't forget to simplify the formula completely by distributing and combining like terms!

STEP 2

1. Define the formula
2. Substitute the dimensions
3. Simplify the formula

STEP 3

Alright, let's start with the basics!
The volume VV of a rectangular bin is given by the formula: V=lwh V = l \cdot w \cdot h where ll is the length, ww is the width, and hh is the height of the bin.
Easy peasy, right?

STEP 4

Now, let's plug in the given dimensions!
We have l=x+12l = x + 12, w=8xw = 8x, and h=5xh = 5x.
Substituting these values into our volume formula, we get: V=(x+12)(8x)(5x) V = (x + 12) \cdot (8x) \cdot (5x) Looking good so far!

STEP 5

Time to flex our algebra muscles!
First, let's multiply 8x8x and 5x5x together: 8x5x=40x2 8x \cdot 5x = 40x^2 So, our formula becomes: V=(x+12)40x2 V = (x + 12) \cdot 40x^2

STEP 6

Now, we distribute 40x240x^2 to both terms inside the parentheses: V=40x2x+40x212 V = 40x^2 \cdot x + 40x^2 \cdot 12

STEP 7

Finally, we simplify each term: V=40x3+480x2 V = 40x^3 + 480x^2 And there we have it!
Our simplified formula for the volume of the rectangular bin.

STEP 8

The volume of the bin is given by the formula V=40x3+480x2V = 40x^3 + 480x^2.

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