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mamieengler
11.11.2020 •
Mathematics
Seis grifos, tardan 10 horas en llenar un depósito de 400 m³ de capacidad. ¿Cuántas horas tardarán cuatro grifos en llenar 2 depósitos de 500 m³ cada uno?
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Ответ:
Slope = (17 - (-4) ) / (10 - (-4) )
Slope = 21/14
Slope = 3/2
Insert slope into the general equation
y = mx + c
y = 3/2 x + c
Find y-intercept
at point (10, 17)
17 = 3/2 (10) + c
17 = 15 + c
c = 17 - 15
c = 2
Insert y-intercept into the equation y = 3/2 (x) + c
y = 3/2 x + 2
y = 3/2 x + 2