PhJesus
21.02.2020 •
Mathematics
Of a number is what percentage of that number?
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Ответ:
=5*3
=15%
the percentage of the number is 15%
Ответ:
y = 2x^2
y = –3x −1
2x^2 = –3x −1
2x^2 +3x +1 = 0
x1= -0.5
x2 = -1
y1 = 0.5
y2 = 2