Mathematics, 10.12.2021 16:40 lolomgwtfnvm4
2. To award the winners of the Mathematics Olympiad, three copies of a book, two copies of another book and one copy of a third book have been provided. How many prizes can be awarded if 20 persons have attended the Olympiad, and no one will receive two books simultaneously? Same problem, if no one will receive two copies of the same book but can receive two or three different books?
Answers: 2
Mathematics, 21.06.2019 16:50
Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm
Answers: 2
Mathematics, 21.06.2019 19:00
How is working backward similar to solving an equation?
Answers: 1
Mathematics, 21.06.2019 20:30
Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9
Answers: 1
Mathematics, 21.06.2019 20:30
Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2
Answers: 2
2. To award the winners of the Mathematics Olympiad, three copies of a book, two copies of another b...
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