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OpenStudy (lynda619):
Can someone help me with these two questions? 4.8x^2=8 x= 2.56x^2=20 x=
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OpenStudy (welshfella):
4.8 x^2 = 8 divide both sides by 4.8:- x^2 = 8 / 4.8 = 5/3 s = +/- sqrt (5/3)
OpenStudy (welshfella):
x = sqrt 5/3 , - sqrt 5/3
OpenStudy (welshfella):
you can do the second one by the same method
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