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jwyapo4
14.07.2020 •
Mathematics
Another one pls it’s so f hard
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Ответ:
Area = 35cm^2
Explanation
Area of a parallelogram = b•h
In this question, we are given the values:
H = 5cm
B = 7cm
Therefore, the area is 5 x 7
= 35 cm^2
~Hoodini, Hope this helps.
Ответ:
a. Average yield per tree will be 50 apples. Total yield in that case will be 10,000 apples per acre.
b. 25 more trees are to be planted per acre to maximize the total yield.
Step-by-step explanation:
If the no. of trees per acre is doubled then it will be equal to,
= 200
So, the no. of trees per acre is increased by (200 - 100) = 100
hence, the average yield per tree will be,
(150 - 100) = 50 in that case.
Hence, the total yield will be,
= 10,000 apples per acre
Now , if x trees are planted, the total no. of apples produced per acre will be,
=![15000 + 50x - x^{2}](/tpl/images/0402/3656/018af.png)
= f(x) [say]
So.
= f'(x)
= 50 - 2x---(1)
taking f'(x) = 0 , we get,
50 - 2x = 0
⇒ x = 25 --------------(2)
Again,
= -2 (<0)
So, f(x) attains it's maximum value at x = 25
Hence,
25 more trees are to be planted per acre to maximize the total yield.