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3 years ago

I WILL AWARD BRAINLIEST!!!! PLEASE HELP!!!!!

Mathematics

1 answer:

Dahasolnce [82]3 years ago

4 0

as AB || DE then

angle BAE = angle AED

so angle AED = 70

as AD = AE then

angle AED = angle ADE = 70

now in a triangle

angle DAE + Angle ADE + angle AED = 180

angle DAE + 70 + 70 = 180

angle DAE = 180 - 140 = 40

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d1i1m1o1n [39]

Answer:

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Step-by-step explanation:

Given

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$x \to additional\ trees$

So, we have:

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$Yield = 104 - 2x$

Required

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The function is:

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Open bracket

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$f(x) = 2796 + 56x - 2x^2$

Rewrite as:

$f(x) = - 2x^2 + 56x + 2796$

Differentiate

$f'(x) = -4x + 56$

Equate $f'(x) = -4x + 56$ to 0 and solve for x to get the maximum of x

$-4x + 56 = 0$

$-4x =- 56$

Divide by -4

$x =14$

The farmer should plant 14 additional trees, for maximum yield.

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