Предмет: Математика, автор: redginastar

Найдите значение выражения
0,6(4у-18)-0,4(5-7у) если у= 2 4/13

Ответы

Автор ответа: ZusTY
7
y =  \frac{30}{13}
2,4y - 10,8 - 2 + 2,8y = 5,2y - 12,8 =  \frac{26y - 64}{5} = \frac{ \frac{26*30}{13} - 64}{5} =  \frac{-4}{5} = -0,8
Автор ответа: m46patton2013
5
2.4у-10.8-2+2.8у=5.2у-12.8
5.2*2 4/13-12.8=5.2*30/13-12.8=52/10*30/13-12.8=4/1*3/1-12.8=-0.8
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To the naked eye, this farm is just like any other. But it doesn’t take long to realise that the

50ealize Jesus Martin, though not huge, is anything but ordinary.

Martin grew up like many others in the Santa Ana Valley – known as the Coffee Triangle of

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