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Mathematics, 15.11.2019 02:31 SoccerHalo
Linh has obtained scores of 82, 79, and 75 on her midterm algebra exams. if the final exam counts twice as much as a midterm, what score must she make on her final exam to get an average score of 80? (assume that the maximum possible score on each test is 100.)
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Mathematics, 21.06.2019 20:30
If m∠abc = 70°, what is m∠abd? justify your reasoning. using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°. using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°. using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality. using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.
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Linh has obtained scores of 82, 79, and 75 on her midterm algebra exams. if the final exam counts tw...
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