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Si sumamos el cuadrado de un número más el cuadruple del siguiente resulta 225 ¿De que número se trata?
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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 20:30
In an improper fraction, is the numerator equal to, less than, or greater than the denominator
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Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).
Answers: 1
Si sumamos el cuadrado de un número más el cuadruple del siguiente resulta 225 ¿De que número se tra...
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