Mathematics
Mathematics, 05.07.2019 05:30, James300102

Of the 20 students of the field trip, 12 are boys. what percent of the total number of students are boys

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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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Of the 20 students of the field trip, 12 are boys. what percent of the total number of students are...

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