Mathematics, 19.07.2019 12:30 ctuek5990

Stevie has some marbles freddie has twice as many marbles as stevie danny has 5 more marbles than freddie in total they have 55 marbles how many marbles does danny have?

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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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Stevie has some marbles freddie has twice as many marbles as stevie danny has 5 more marbles than fr...

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