Help me with this please
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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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Mathematics, 21.06.2019 18:40
Which of the following represents the range of the graph of f(x) below
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Mathematics, 22.06.2019 00:10
Hello, i need compare km^2 and km. what's difference in this?
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Mathematics, 22.06.2019 01:30
Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.
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Chemistry, 28.06.2019 00:30
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Mathematics, 28.06.2019 00:30