itsgiovanna
15.10.2019 •
Mathematics
Is square root 120 a rational number
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Ответ:
no it is irational because you cant square root 120
Step-by-step explanation:
Ответ:
y-2x=-3equation 2
e1-e2
(y+3x)-(y-2x)=2-(-3)
y+3x-y+2x=5
5x=5
x=1
sub x=1 into equation 1
y+3(1)=2
y=-1