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sophiaaafaline
30.10.2019 •
Mathematics
Aplumber is fitting pipes for a remodeled kitchen sink. the sink requires 3 different sections of pipe; the first is 6√96 feet long, the second section is 12√150 feet long, and the third section is 2√294 feet long. how many feet of piping is required for all 3 sections?
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Ответ:
6 √96 + 12 √150 + 2 √294 = 0
Simplify each radical to be the same.
6 √96 = 6 √16 * 6 = 6 * 4 √6 = 24 √6
12 √150 = 12 √25 * 6 = 12 * 5 √6 = 60 √6
2 √294 = 2 √49 * 6 = 2 * 7 √6 = 14 √6
Add the radicals.
24 √6 + 60 √6 + 14 √6 = 98 √6 feet
Ответ:
D. 270º < x < 360º
Step-by-step explanation:
sin is negative in Quad III and IV
tan is negative in Quad II and IV
Therefor ∅ is in Qaud IV
270º < x < 360º