2 years ago

What is the perimeter of triangle JKL (same triangle as question #1)?

Mathematics

1 answer:

Keith_Richards [23]2 years ago

6 0

Answer:

x=30

Step-by-step explanation:

You have to use intercept theorem, also known as Thales's theorem to slvoe this.

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Step-by-step explanation:

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4 years ago

David wants to build a rectangular fencing with the 5 identical parts for his animals. He has 780 feet of fencing to make it. Wh

Vladimir79 [104]

Answer:

65 ft by 39 ft

Step-by-step explanation:

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$6x+10y=780$

The length of the large rectangle is 5y ft and the width of the large rectangle is x, so the total area is

$A=x\cdot 5y$

From the first equation,

$y=78-0.6x$

Substitute it into the area expression:

$A(x)=x\cdot 5(78-0.6x)=390x-3x^2$

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$A'(x)=390-3\cdot 2x=390-6x$

Equate it to 0:

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3 years ago