14-11-2017
Mathematics

contestada

Which is the value of Y in the equation 6.4x + 2.8y = 44.4 when x=3

Respuesta :

Аноним Аноним

14-11-2017

y=9 when x=3 and can i get brainliest

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swaggernaut swaggernaut

14-11-2017

6.4(3) + 2.8y = 44.4
19.2 + 2.8y = 44.4
2.8y = 25.2
y = 9

check to make sure we are correct:
6.4(3) + 2.8(9) = 44.4

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