I need help with this problem plz
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Mathematics, 21.06.2019 18:40
Ten times the square of a non-zero number is eqaul to ninety times the number
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Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?
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Mathematics, 21.06.2019 23:00
What ia the sum if the first 7 terms of the geometric series
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