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?

Question

Mathematics

Zachariah Palmer

16 December, 10:44

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?

+4

Answers (2)

Know the Answer?

Reyna Lamb · Answer 1

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

Javier Weeks · Answer 2

Javier Weeks 16 December, 13:50

0

4x2 + 17; 22.76 centimeters