Mathematics, 25.08.2021 15:10 roger93
The sum of two polynomials is 8d5 β 3c3d2 + 5c2d3 β 4cd4 + 9. If one addend is 2d5 β c3d2 + 8cd4 + 1, what is the other addend?
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?
8x2 + 34; 43.6 centimeters
8x2 + 34; 45.52 centimeters
4x2 + 17; 21.8 centimeters
4x2 + 17; 22.76 centimeters
6d5 β 2c3d2 + 5c2d3 β 12cd4 + 8
6d5 β 4c3d2 + 3c2d3 β 4cd4 + 8
6d5 β 4c3d2 + 5c2d3 β 12cd4 + 8
6d5 β 2c3d2 β 3c2d3 β 4cd4 + 8
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The sum of two polynomials is 8d5 β 3c3d2 + 5c2d3 β 4cd4 + 9. If one addend is 2d5 β c3d2 + 8cd4 + 1...
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