Mathematics, 15.01.2020 05:31 conyabrew82
4x+y=15,3x+5y=41 solve by substitution and check the solution
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What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9
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Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)
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Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?
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4x+y=15,3x+5y=41 solve by substitution and check the solution...
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