Mathematics, 20.11.2020 06:10 rafaellazaro60pcw3w5
In a train yard there are 4 tank cars, 12 boxcars and 7 flat cars. How many ways can a train be made up consisting of 2 tank cars. 5 box cars and 3 flat cars?
Answers: 2
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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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In a train yard there are 4 tank cars, 12 boxcars and 7 flat cars. How many ways can a train be made...
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