Mathematics

Mathematics, 23.07.2019 09:00, mileskamron979

Kylie and rhoda are solving the equation 4(x-8)=7(x-4). kylie uses a first step that results in 4x-32=7x-28. rhoda uses a first step that results in 4x-8=7x-4. identify which person was correct, and what that person did to arrive at their answer.

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Mathematics, 28.07.2019 19:00, lukecarroll19521

Kylie explained that (–4x + 9)2 will result in a difference of squares because (–4x + 9)2 = (–4x)2 + (9)2 = 16x2 + 81. which statement best describes kylie’s explanation? answer is c, (kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.)

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English, 30.08.2019 05:10, jaici68

Anna vonunteered to kylie clean her house. when anna washed the mirrors, kylie asked her if she used paper towels instead of newspapers. when anna admitted that she had, kylie asked her to redo them. then, while anna was sweeping, kylie corrected her on her technique. dont just push the dirt around, anna. sweep it, kylie told anna. nnwhat charcter trait does kylie demonstrate?

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English, 18.09.2019 16:30, TheArkazary

Anna vonunteered to kylie clean her house. when anna washed the mirrors, kylie asked her if she used paper towels instead of newspapers. when anna admitted that she had, kylie asked her to redo them. then, while anna was sweeping, kylie corrected her on her technique. dont just push the dirt around, anna. sweep it, kylie told anna. nnwhat charcter trait does kylie demonstrate?

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Mathematics, 08.11.2019 22:31, meKaya

Consider the sequence of steps to solve the equation: 2(x − 4) + 6x = 9x − 10 given ⇒ 2(x − 4) + 6x = 9x − 10 step 1 ⇒ 2x − 8 + 6x = 9x − 10 step 2 ⇒ 2x + 6x − 8 = 9x − 10 step 3 ⇒ 8x − 8 = 9x − 10 step 4 ⇒ 8x − 8x − 8 = 9x − 8x − 10 step 5 ⇒ 0 − 8 = x − 10 step 6 ⇒ −8 = x − 10 step 7 ⇒ −8 + 10 = x − 10 + 10 step 8 ⇒ 2 = x + 0 step 9 ⇒ 2 = x which step in solving this equation is justified by the commutative property of addition? a) step 1 ⇒ 2x − 8 + 6x = 9x − 10 b) step 2 ⇒ 2x + 6x − 8 = 9x − 10 c) step 3 ⇒ 8x − 8 = 9x − 10 d) step 4 ⇒ 8x − 8x − 8 = 9x − 8x − 10

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