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56:34
Sydney is cutting the crust from the edges of her sandwich. The dimensions, in centimeters, of the sandwich is shown.


Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust

1 2 3 4 5 6 7 8 9 10 TIME REMAINING 56:34 Sydney is cutting the crust from the edges-example-1
User Tom Tanner
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2 Answers

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Perimeter= 2(2x^2+9)+2(2x^2+8)= 4x^2+18+4x^2+16=8x^2+34
if x = 1.2,
length = 2(1.2)^2+9= 11.88
User Jil Jung Juk
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2 votes

The correct answer is 45.52 cm

User David Hagan
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