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Sydney is cutting the crust from the edges of her sandwich. The dimensions, in centimeters, of the sandwich is shown. A rectangle labeled sandwich. The right side is labeled 2 x squared + 9. The bottom side is labeled 2 x squared + 8. Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?

Respuesta :

Answer:

57.04

Step-by-step explanation:

2 x 1.2 = 2.4

2.4 x 2.4 = 5.76

5.76 + 9 = 14.76

14.76 x 2 = 29.52

5.76 + 8 = 13.76

13.76 x 2 = 27.52

29.52 + 27.52 = 57.04

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