The paperweight shown below is in the shape of a square pyramid.
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Answer:
The number of DVD's is 6.
Step-by-step explanation:
Given:
Grace bought a television for $329.
Some DVDs for $5.75 each.
She spent total of $363.50
Now, to find out the number of DVD's Grace bought.
Let the number of DVD's be
So, cost of DVD's =
Cost of television = $329.
Total amount spent = $363.50.
According to question:
Now, putting the equation to solve:
<em>Subtracting with 329 on both sides we get:</em>
<em>Dividing both sides by 5.75 we get:</em>
Therefore, the number of DVD's is 6.
Hence the maximum possible area is 2500 square meteres
Given the area of the rectangular garden expressed as;
The maximum area occurs when dA(x)/dx = 0
Next is to get the maximum area possible. Substitute x = 50 into the original function as shown;
Hence the maximum possible area is 2500 square meters