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OpenStudy (anonymous):
Evaluate -13 + |3.1 - 4.2|.
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OpenStudy (anonymous):
-13 + | -1.1 | -13 + 1.1 = -11.9
OpenStudy (anonymous):
-11.9
OpenStudy (anonymous):
-11.9
Directrix (directrix):
@ Hero, |-x| = x is a false statement. Counterexample: Let x = -1. Then |-x| = |-(-1)| = |1| = 1 which is not equal to the value of x, -1.
hero (hero):
Directrix, you might want to read up on absolute value
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OpenStudy (anonymous):
@directrix, I agree with hero
hero (hero):
Or maybe I should... |x| = x
OpenStudy (anonymous):
now i'm confused
hero (hero):
It happens
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