goreimani9
24.12.2019 •
Mathematics
Are the lines y=-x-4and 5x+5y=20 perpendicular? explain.
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Ответ:
+12 +12
-2 < y
y should be more than -2 to make the statement true.
Among the choices, only b. 2 is the answer that will make the inequality true.
-14 < 2 - 12
-14 < -10