Problem

Complete the solution. Solve $A x+B y=C$ for $y$.…

01:34

Problem 8 Medium Difficulty

Determine which concept (perimeter, area, or volume) should be used to find each of the following. Then determine which unit of measurement, ft, $\mathrm{ft}^{2},$ or $\mathrm{ft}^{3},$ would be appropriate.
a. The amount of storage in a freezer
b. The amount of ground covered by a sleeping bag lying on the floor
c. The distance around a dance floor

Answer

a. The amount of storage in a freezer is determined by its capacity or volume. So we will use the concept of volume to determine the amount of storage in a freezer.Thus the unit we will use is feet cube.
b. feet square.
c. feet.

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Precalculus

Algebra

Elementary and Intermediate Algebra

Chapter 2

Equations, Inequalities, and Problem Solving

Section 4

Formulas

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Video Transcript

in this question, we're being asked to determine which concept. Whoever it be, perimeter, area or volume should be used to find each of the falling. Then determine which union a measure. Whoever it be, feet, feet, square their feet to the third would be appropriate. Well, just as a reminder, perimeter measures distance around an object. The area represents the space that a two dimensional object would take, and then the volume represents the space for a three dimensional object. Now, in terms of its units. Because permanent is just representing distance, it's units will always be associated with feet. So if we choose, perimeter feet will be its units for area. Because it's a two dimensional object feet square, there will always be its unit and for volume because it's three dimensional feet. Cute will always be the units in this case, so let's take a look apart. A were asked about the amount of storage in the freezer. Well, because this amount of storage we're talking about how much basic comes up, it takes, and it's three dimensional. So in this case, volume would be a four break measurement, and like we mentioned, it's units would be feet cooped. Now let's look att Part B. We're being asked for the appropriate measurement for the amount of ground covered by a sleeping bag lying on the four well will return again, referring to the space something takes up. But in this case, we're just talking about how much space on the ground which we would be a two dimensional object, so that would be referred to as the area. And like we mentioned before, the units for area would be feet square. Lastly, Part C were asked for the distance around the dance floor will remember Perimeter represents the distance around an object, so this measurement would be the perimeter. And as we mentioned earlier, the units for perimeter would simply just be feet.

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