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?

A. 8x^2 + 34; 43.6 centimeters

B. 8x^2 + 34; 45.52 centimeters

C. 4x^2 + 17; 21.8 centimeters

D. 4x^2 + 17; 22.76 centimeters

Question

Cassandra Christensen

Mathematics

29 January, 18:15

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?

A. 8x^2 + 34; 43.6 centimeters

B. 8x^2 + 34; 45.52 centimeters

C. 4x^2 + 17; 21.8 centimeters

D. 4x^2 + 17; 22.76 centimeters

+1

Answers (1)

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Schultz · Answer 1

In this problem, we are given with a length of a sandwich of x=1.2. We are asked for the expression that fits to the approximate length of the crust given among the choices. This is just a matter of substituting x to the choices. Among these choices, when x is 8x^2 + 34, the answer is 45.52 centimeters. Answer is B.