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nayi2002
17.07.2019 •
Mathematics
Achef wants to use 15 pounds of red beans and 27 pounds of black beans for his chilli. he only has 9 pounds of red beans and plents of black beans. if he wants to maintain the total weight of beans, how many pounds of black beans should he use?
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Ответ:
Ответ:
x=1+i 1/2, 1-i 1/2
Step-by-step explanation:
x=-(-8)+/-![\sqrt{(-8)^{2}-4*4*5 } /2*4](/tpl/images/0936/5079/35e85.png)
x=-(-8)+/- 4i/2*4
x=1+i 1/2, x=1-i 1/2