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3 years ago

the member increased their elevation 290 feet during their hike this morning. now they are at an elevation of 450 feet

Mathematics

1 answer:

ExtremeBDS [4]3 years ago

3 0

Answer:

160 good luck tho on whatever

Step-by-step explanation:

450-290

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D is halfway between A and B

so the coordinates of D are (2,2)

E is halfway between A and C so the coordinates of E are (-1,1)

now you need to find the gradient/slope of DE and BC using the formula:

$\frac{y2 - y1}{x2 - x1}$

<h3>Gradient of DE: </h3>

SUB IN COORDINATES OF D AND E

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<h3>Gradient of BC:</h3>

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therefore the gradient of BC is -2/-6 which simplifies to 1/3.

<h3>therefore, BC and DE are parallel as they both have a gradient/slope of 1/3 and parallel lines have the same gradient</h3>

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