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Dennis_Churaev [7]
3 years ago
6

Quadratic applications??

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
5 0

Answer:

Step-by-step explanation:

2 l + 2w = 34 ⇔ l + w = 17 ⇒ l = 17 - w ..... <em>(1)</em>

l w = 66 ..... <em>(2)</em>

<em>(1)</em> ----> <em>(2)</em>

(17 - w) w = 66

w² - 17w + 66 = 0 ⇔ (w - 6)(w - 11) = 0

w = 6 cm

l = 11 cm

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