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# True or false i still don't understand what's happening   ### Another question on Mathematics Mathematics, 21.06.2019 16:40
Aplane traveling from dallas to new york with a tail wind of 30 mph it takes 4.5 hours. returning with the headwind it takes the same plane 5 hours what is the average speed of the plane and calm conditions Mathematics, 21.06.2019 17:00
For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is Mathematics, 21.06.2019 17:30
Vertex is (-2,5) focus is (-4,5) what is the center of hyperbola Mathematics, 21.06.2019 19:30
If y varies directly as x2 and y=6 when x=6, find the constant of variation.
True or false i still don't understand what's happening...
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