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Mathematics, 12.07.2019 17:00 moran14
Two pedestrians simultaneously left two villages 27 km apart and walked toward each other. the first one walked 4 km per hour, and the second walked 6 km per hour. after how many hours did the pedestrians meet?
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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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Two pedestrians simultaneously left two villages 27 km apart and walked toward each other. the first...
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