How many units long is CD? How do you know?
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Answers: 3
Mathematics, 21.06.2019 22:00
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
Answers: 1
Mathematics, 21.06.2019 22:30
Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?
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Mathematics, 22.06.2019 01:00
What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5
Answers: 3
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