Mathematics
Mathematics, 26.08.2019 06:10, anispotts

15y + 6y - 3x + xy combining like terms

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Mathematics, 30.07.2019 12:50, Daisy254
Holly finds that (11m – 13n + 6mn) – (10m – 7n + 3mn) = m – 20n + 9mn. what error did holly make? she only used the additive inverse of 10m when combining like terms. she added the polynomials instead of subtracting. she only used the additive inverses of –7n and 3mn when combining like terms. she did not combine all like terms.
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Mathematics, 01.08.2019 18:30, pops2545
Brainliest rewarded to correct answer mickey simplified the expression below. he then checked his work by substituting 4 for x. he noticed his two values were not equal. what was mickey’s error when simplifying? expression: 2x^2 - 4x - 9 - x^2 + 2x + 3 simplified expression: x^2 - 6x - 6 answer choices: mickey should have added –4 and 2 when combining the coefficients of the x terms. mickey should have added 2 and 1 when combining the x^2 terms. mickey should have added 9 and 3 when combining the constant terms. mickey should have added –4 and –1 when combining the x terms.
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Mathematics, 03.08.2019 07:00, kvil9368
Simplify the expression by combining like terms. -8x - 4x -12x 32x -12 + x -4x simplify the expression by combining like terms. -6y + 6 - 4 + 2 + y -4 -5y -5y - 1 -7y + 1 -7y simplifying 3y + 2x + 4 + y - x by combining like terms is equivalent to 4y + 3x + 4 true or false.
Answers: 1
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Mathematics, 09.10.2019 18:10, tylersabin72
Holly finds that (11m - 13n + 6mn) - (10m - 7n + 3mn) = m - 20n + 9mn. what error did holly make? she only used the additive inverse of 10m when combining like terms. she added the polynomials instead of subtracting. she only used the additive inverses of -7n and 3mn when combining like terms. she did not combine all like terms.
Answers: 3
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