a.
To write the equation.
a.
Answer to Problem 65E
Equation for amount of fencing to be used:
Equation for area enclosed by fencing:
Explanation of Solution
Given:
80feet of fencing.
Area=750 square feet.
Calculation:
Equation for amount of fencing to be used:
So,
Equation for area enclosed by fencing:
Since it is a square:
b.
To solve the equations.
b.
Answer to Problem 65E
Explanation of Solution
Given:
Calculation:
According to question:
Let it be equation 1.
Let it be equation 2.
From equation 1.
Substitute the value of
So,
So,
Therefore
Converting the equation in standard form:
On comparing the equation with
Finding the value of
Substituting the values,
Opening brackets,
So,
Solving root,
Therefore,
So,
Therefore,
So,
Substituting value,
So,
Also,
So,
Chapter 9 Solutions
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