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Mathematics, 01.07.2019 08:30 JN02
Four times jose's age decreased by 3 is equal to 3 times jose's age, increased by 7. how old is jose?
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Mathematics, 21.06.2019 17:30
Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil
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Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?
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Four times jose's age decreased by 3 is equal to 3 times jose's age, increased by 7. how old is jose...
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