Solve using elimination.
5x – 9y = -7
-x + 9y = -13...
Mathematics, 24.10.2019 18:43 anna8352
Solve using elimination.
5x – 9y = -7
-x + 9y = -13
Answers: 3
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.
Answers: 2
Mathematics, 21.06.2019 22:00, nijanicole164
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Answers: 2
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