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karennayeli
02.11.2020 •
Mathematics
Find the value of the polynomial 5xsquare +2x+7at x=1and -1
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Ответ:
396cm
Step-by-step explanation:
55 x 40 = 2,200
2,200 x 180 = 396,000
396,000 / 1000 = 396
396cm
(I don't know for sure).