Mathematics, 28.08.2020 23:01, laylay120
Algebra 2: The set of all polynomials is ___ under addition, which is illusrated by the fact that adding 3x² - 2 and 7x⁴ + 4x results in 7x⁴ + 3x² + 4x -3, which is in the set. (Closed, Not closed) (Included, Not included)
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Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.
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Algebra 2: The set of all polynomials is ___ under addition, which is illusrated by the fact that ad...
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