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Yanka [14]
3 years ago
9

X-2y=-2; ( ,-2) , (6, ) find order pair linear equation

Mathematics
1 answer:
Sedbober [7]3 years ago
5 0
\bf x-2y=-2\qquad \boxed{(\stackrel{x}{\text{\textemdash} },\stackrel{y}{-2})}\qquad x-2\stackrel{y}{(-2)}=-2\implies x+4=-2
\\\\\\
x=-2-4\implies x=-6\qquad \qquad (\stackrel{x}{-6}~,~\stackrel{y}{-2})\\\\
-------------------------------\\\\
x-2y=-2\qquad \boxed{(\stackrel{x}{6},\stackrel{y}{\text{\textemdash} })}\qquad 
\stackrel{x}{6}-2y=-2\implies -2y=-2-6
\\\\\\
-2y=-8\implies y=\cfrac{-8}{-2}\implies y=4\qquad \qquad (\stackrel{x}{6}~~,~~\stackrel{y}{4})
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Answer:

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Step-by-step explanation:

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Answer:

___________________________________________________

360 — A

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Step-by-step explanation:

This is a square based pyramid. Which means that all of the triangles have the same area. All you need to do is find the area of one triangle, multiply it by 4, and add that to the area of the square base.

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Step 1) FIND THE AREA OF ONE TRIANGLE

Imagine the triangle as a flat 2D shape. The height of this shape would be 13km, that mush is given to us. The length is also given, 10km.

How to find the area of a triangle:

Multiply the height times the width and divide the result by 2.

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Step 2) MULTIPLY BY 4

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Step 3) FIND THE AREA OF THE SQUARE

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GETTING THE FINAL ANSWER

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