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09-04-2019
Mathematics

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Logan is getting a second dog and wants to increase the length of the play space by 3 feet and the width by 3 feet. What will be the difference in the area, in square feet, between the original play space and the new play space?

Respuesta :

calculista calculista

19-04-2019

Answer:

[tex](3x+3y+9)\ ft^{2}[/tex]

Step-by-step explanation:

Let

x------> the length of the original play space

y-----> the width of the original play space

we know that

The area of the original play space is equal to

[tex]A=xy[/tex]

The area of the new play space is equal to

[tex]An=(x+3)(y+3)\\An=xy+3x+3y+9[/tex]

Find the difference

[tex]An-A=(xy+3x+3y+9)-(xy)\\An-A= (3x+3y+9)\ ft^{2}[/tex]

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