Mathematics, 30.07.2019 12:50 Daisy254
Holly finds that (11m โ 13n + 6mn) โ (10m โ 7n + 3mn) = m โ 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 โ7n and 3mn when combining like terms. she did not combine all like terms.
Answers: 2
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Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.
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The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years
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The cost of a taxi ride includes an initial charge of $2.00. if a 5km ride cost $6.00 and a 10km ride cost $10.00, determine the cost of a 15km ride.
Answers: 1
Holly finds that (11m โ 13n + 6mn) โ (10m โ 7n + 3mn) = m โ 20n + 9mn. what error did holly make? s...
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