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Kayla bought a book for $13 . She now has $47 . How much did Kayla have before she bought the book?
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Mathematics, 21.06.2019 23:00
The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z
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Mathematics, 22.06.2019 01:00
What are the solutions of the following system? y=-2x^2 y=x-2
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Kayla bought a book for $13 . She now has $47 . How much did Kayla have before she bought the book?...
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