slimedawgg
slimedawgg slimedawgg
  • 27-01-2020
  • Mathematics
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What is the area of the model in the problem?

What is the area of the model in the problem class=

Respuesta :

calculista
calculista calculista
  • 02-02-2020

Answer:

[tex]A=x^2+12x+27\ units^2[/tex]

Step-by-step explanation:

we know that

The area of the model is equal to the area of a rectangle

The area of a rectangle is equal to

[tex]A=LW[/tex]

we have

[tex]L=x+9\ units[/tex]

[tex]W=x+3\ units[/tex]

substitute

[tex]A=(x+9)(x+3)[/tex]

Apply distributive property

[tex]A=x^2+3x+9x+27[/tex]

Combine like terms

[tex]A=x^2+12x+27\ units^2[/tex]

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