Simple angle question
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Mathematics, 21.06.2019 14:40
What is the approximate circumference of the circle shown below?
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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.
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Mathematics, 21.06.2019 19:30
:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?
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Mathematics, 21.06.2019 23:00
Which radical expression is a rational number? a. β 360 b. β 644 c. β 225 d. β 122
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