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

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 14:30

Using the given statements, state whether the conditional statement is true or false. p: 7 + 1 = 0 q: 2 + 2 = 5 is p q true or false?

Answers: 1

Answer

Mathematics, 21.06.2019 16:20

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Answers: 2

Answer

Mathematics, 21.06.2019 19:30

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

Answers: 1

Answer

Mathematics, 21.06.2019 20:20

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.

Answers: 1

Answer

You know the right answer?

Holly finds that (11m - 13n + 6mn) - (10m - 7n + 3mn) = m - 20n + 9mn. what error did holly make?

Questions