3x-6y=15 -3x-9y=-30 Please help!! Its due in 30 minutes!!
1 answer:
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Answer:
Therefore the width is 25 feet for getting maximum area.
The maximum area of the rectangle is 625 square feet.
Therefore the range is 0≤A≤625.
Step-by-step explanation:
Given function is
A = - x²+50x
We know that ,
If y = ax²+bx+c
For the maximum
Here a = -1 , b= 50 and c=0
Therefore the width
Therefore the width is 25 feet for getting maximum area.
The maximum area =[ -(25)²+50.25] square feet
= 625 square feet
The area can not be negative and maximum area is 625 square feet.
Therefore the range is 0≤A≤625.
Answer:
This is because the number '20' is not a perfect square.
Step-by-step explanation:
If you find , you will be getting 4.4721935955... which is not a whole number, thus 20 is not a perfect square.