karen has two dogs. the larger dog weighs 1.4 pounds more than the smaller dog. the combined weight of the two dogs is 12.6 poun
1 answer:
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Answer:
,
Step-by-step explanation:
The total area of the pool and the walkway is:
The roots of the second-order polynomial is:
and
The only possible root is:
The other dimension of the pool is:
For this case we have the following system of equations:
To solve, we clear "x" from the second equation:
We substitute "x" in the first equation:
We clear the value of the variable "y":
We look for the value of the variable "x":
Thus, the solution of the system is given by:
Answer:
Option D