Existing Fence Cows Goats Sheep бх 4x 2x A farmer wishes to build rectangular enclosures against an existing fence to keep the farm animals separated. All dimensions are in metres and the farmer has 1000 metres of fencing. All lengths shown on the diagram need to be constructed except, of course, the existing fence. (i) Show clearly why 12x + 4y = 1000 1 If the total area of the three enclosures is A m² ; Prove A = 3000x – 36x² (ii) 1
Existing Fence Cows Goats Sheep бх 4x 2x A farmer wishes to build rectangular enclosures against an existing fence to keep the farm animals separated. All dimensions are in metres and the farmer has 1000 metres of fencing. All lengths shown on the diagram need to be constructed except, of course, the existing fence. (i) Show clearly why 12x + 4y = 1000 1 If the total area of the three enclosures is A m² ; Prove A = 3000x – 36x² (ii) 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.5: Multiplication With The Addition-or-subtraction Method
Problem 31P
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