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Mathematics, 16.09.2019 02:00 VeIocity
Find a + b, 2a + 3b, |a|, and |a − b|. a = 5i + j, b = i − 3j
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Mathematics, 21.06.2019 20:30, nosugh
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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Find a + b, 2a + 3b, |a|, and |a − b|. a = 5i + j, b = i − 3j...
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