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tankabanditka [31]
3 years ago
8

The length of a rectangle is 4 inches longer than its width. The area of the rectangle is 12 square inches. What are the length

and
width?
Which equation models this problem?
04.w = 12
Ow(4 + w) = 12
OW-(4 + w) = 12
OW+ (4 + w) = 12

Mathematics
1 answer:
azamat3 years ago
6 0

Answer: B) w(4+w)=12

Step-by-step explanation: Because the formula for area is length times width, the expression used to find it would by w•l. If L=4+W, the equation for area in this question is w(4+w)=12

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Now we have to calculate the volume of revolution about the y-axis. For that we have to first see by drawing the diagram that the area of the CD like disk centered about the y-axis for any y, as we rotate the triangular area given in the question would be pi - pi*x². if we integrate this area over the range of value of y that is from y=0 to y=2 , we will obtain the volume of revolution about the y-axis, which is given by,

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