An architect is making a floor plan for a rectangular gymnasium.The distance between opposite corners of the gym will be 30 mete
2 answers:
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Answer:
Step-by-step explanation:
For this exercise it is important to remember the following:
1. By definition, the "Product" is the result of a multiplication.
2. The "Difference" is defined as the result of a subtraction.
3. The Distributive property states that:
Keeping the above on mind, you know that:
"The difference of and
" can be represented with the following expression:
Therefore, "The product of -13 and the difference of and
" can be represented with this expression:
Finally, you must apply the Distributive property in order to simplify the expression. You get:
Tnemos el sisema de ecuaciones:
Podemos resolverlo por eliminación sumando ambas ecuaciones y eliminando y. Asi podemos resolver para x:
Ahora podemos resolver para y con cualquiera de las dos ecuaciones:
Respuesta: x=-3, y=0