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Which conjunction or disjunction is equivalent to the open sentence |a – 9| ≤ 4. A. a – 9 ≥ 4 and a – 9 ≤ –4 B. a – 9 ≤ 4 or a – 9 ≥ –4 C. a – 9 ≤ 4 and a – 9 ≤ –4 D. a – 9 ≤ 4 …
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Which conjunction or disjunction is equivalent to the open sentence |a – 9| ≤ 4. A. a – 9 ≥ 4 and a – 9 ≤ –4 B. a – 9 ≤ 4 or a – 9 ≥ –4 C. a – 9 ≤ 4 and a – 9 ≤ –4 D. a – 9 ≤ 4 …
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Sep 22, 2019
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Which conjunction or disjunction is equivalent to the open sentence |a – 9| ≤ 4.
A.
a – 9 ≥ 4 and a – 9 ≤ –4
B.
a – 9 ≤ 4 or a – 9 ≥ –4
C.
a – 9 ≤ 4 and a – 9 ≤ –4
D.
a – 9 ≤ 4 and a – 9 ≥ –4
Mathematics
middle-school
Liuwenzhuang
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The answer is C.
a – 9 ≤ 4 and a – 9 ≤ –4
Arno
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Sep 28, 2019
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Arno
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