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ola62fedko
@ola62fedko
July 2022
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Найди точку пересечения графиков, заданных формулами 10x+2y=87 и y=−2,5x без построения.
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lakOR555
10x+2y=87 и y=−2,5x
подставляем в первое уравнение вместо у -2,5х
10х-5х=87
5х=87
х=17,4
у=-2,5*17,4=-43,5
4 votes
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Answers & Comments
подставляем в первое уравнение вместо у -2,5х
10х-5х=87
5х=87
х=17,4
у=-2,5*17,4=-43,5