Mathematics, 24.09.2019 01:00 chelsea73
Atotal of 1010 students are entered in a drawing to win 33 identical prizes. the group of students is composed of 66 boys and 44 girls. what is the probability that 22 boys and 11 girl win prizes?
Answers: 2
Mathematics, 21.06.2019 17:50
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
Answers: 2
Mathematics, 21.06.2019 18:00
Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?
Answers: 1
Atotal of 1010 students are entered in a drawing to win 33 identical prizes. the group of students i...
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