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3 years ago

Someone PLEASE help me I just need this last question.

Mathematics

1 answer:

Step2247 [10]3 years ago

5 0

Answer:

Hi! The answer to your question is (0,-2)

Step-by-step explanation:

☆*: .｡.｡.:*☆☆.*: .｡..｡.:*☆☆*: .｡.｡.:*☆☆.*: .｡..｡.:*☆

☁Brainliest is greatly appreciated!☁

<em>Hope this helps!!</em>

<em>- Brooklynn Deka</em>

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Answer:

Step-by-step explanation:

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Find the dimensions of the rectangle with maximum area that can be inscribed in a circle of radius 10.

Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

That will be a square with a diagonal of 20

side length of 20sin45

and area of (20sin45)² = 200 units²

prove it you say?

Area of a rectangle is base times height

A = bh

With a radius of 10, the diagonals of any rectangle inscribed will be 20 units

20² = b² + h²

h = $\sqrt{400 - b^2}$

A = bh

A = b $\sqrt{400 - b^2}$

Area will be maximized when the derivative is set to zero

dA/db = $\sqrt{400 - b^2}$ - b²/ $\sqrt{400 - b^2}$

0 = $\sqrt{400 - b^2}$ - b²/ $\sqrt{400 - b^2}$

b²/ $\sqrt{400 - b^2}$ = $\sqrt{400 - b^2}$

b² = 400 - b²

2b² = 400

b² = 200

b = $\sqrt{200}$

h = $\sqrt{400 - b^2}$

h = $\sqrt{400 - \sqrt{200}^2 }$

h = $\sqrt{200}$

A = bh

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3 years ago

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The correct answer to this question is 4.

In order to solve this problem, first make an image on your mind how the image is dilated.

The coordinate points at first is (1.5, 2.0). After dilation from the origin, the points became (6.0, 8.0)

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4 years ago

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gtnhenbr [62]

The quotient will be lesser than the whole number because you're dividing in this problem.

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