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Mathematics, 06.01.2020 21:31, ozieera
Determine whether the conjecture is true or false. give a counterexample for any false conjecture.
given: zabc, zdbe are coplanar.
conjecture: they are vertical angles.
false; the angles may be adjacent.
false; the angles may be supplementary.
false; one angle may be in the interior of the other.
true
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Answers: 3
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Mathematics, 21.06.2019 14:00, Nevaeh3700
Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)
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Determine whether the conjecture is true or false. give a counterexample for any false conjecture.
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