Предмет: Алгебра, автор: варька3444

С одного участка собрали 450т картофеля,а с гдугого,площадь котокого на 5 га меньше.400т.определить урожайность картофеля с каждого участка.если на втором участе она была на 2 т выше , чем на первом.

варька3444: помогите мне очень срочно надо!!!!!!!!!!!пожалуйста

варька3444: плизззз

варька3444: с решением

Ответы

Автор ответа: Svetllana

После преобразований
2*Х^2 +25*X -132 = 0. Откуда Х = 4. Исходная дробь 15 / 4, новая 20 / 16 или 5 / 4.

hei2: у учебнике написан что с 1 участка 18 а со 2 -20

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