Mathematics, 28.04.2021 22:00 ceciliaxo
Daniel is constructing a fence that consists of parallel sides line AB and line EF. Complete the proof to explain how he can show that mâ GKB = 120° by filling in the missing justifications. StatementJustification line AB â„ line EF mâ ELJ = 120°Given mâ ELJ + mâ ELK = 180°Linear Pair Postulate mâ BKL + mâ GKB = 180°Linear Pair Postulate mâ ELJ + mâ ELK = mâ BKL + mâ GKBTransitive Property â ELK â â BKL1. mâ ELK = mâ BKL2. mâ ELJ + mâ ELK = mâ ELK + mâ GKBSubstitution Property mâ ELJ = mâ GKBSubtraction Property mâ GKB = mâ ELJSymmetric Property mâ GKB = 120°Substitution
Answers: 3
Mathematics, 21.06.2019 14:30
Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (â3)·(â2x) + (â3)·(4) step 2: 12 + 6x + (â12) step 3: 12 + (â12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition
Answers: 3
Mathematics, 21.06.2019 19:30
Factor the following expression. 27y3 â 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y â 7)(9y2 + 2ly + 49) c. (3y â 7)(932 â 217 + 49) d. (3y + 7)(92 â 2ly + 49)
Answers: 1
Mathematics, 21.06.2019 19:30
Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?
Answers: 1
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