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A tennis player hits a serve that cannot be returned 45% of the time out of 300 serves, how many can the tennis player predict will not be returned.
answered
Jun 27, 2017
Mathematics
middle-school
4
votes
224k
views
Calculate the area of a circle with radius of 4cm
answered
May 27, 2017
Mathematics
middle-school
4
votes
226k
views
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