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dezoksy [38]
3 years ago
10

You want to use a coordinate proof to prove that midsegment DE of ABC is parallel to AC and half the length of AC. Which is the

best first step?

Mathematics
1 answer:
vazorg [7]3 years ago
4 0

Answer:

<em>the third one answer choice</em>

Step-by-step explanation:

<u><em>⊕ Place the triangle on a coordinate grid such that vertex A is at the origin, and segment AC lies on the x-axis.</em></u>

You will be able to see the length of segment AC and length of segment DE, and also will be able to see if AC║DE.

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Let the number of large bookcases be x and number of small bookcases be y, then
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The corner points are (2, 2), (2, 6), (3.333, 2)
For (2, 2): P = 80(2) + 50(2) = 160 + 100 = 260
For (2, 6): P = 80(2) + 50(6) = 160 + 300 = 460
For (3.333, 2): P = 80(3.333) + 50(2) = 266.67 + 100 = 366.67

Therefore, for maximum profit, he should produce 2 large bookcases and 6 small bookcases.
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