Mathematics, 05.07.2019 21:10 Nunez610
Recent surveys indicate 60% of tourists to china visited the forbidden city, the temple of heaven, the great wall, and other historical sites in or near beijing. forty percent visited xi’an with its magnificent terra-cotta soldiers, horses, and chariots, which lay buried for over 2,000 years. thirty percent of the tourists went to both beijing and xi’an. what is the probability that a tourist visited at least one of these places? (
Answers: 2
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Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
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Mathematics, 22.06.2019 03:00
In the figure, triangle aob and triangle boc form a linear pair ,find the measure of x
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Recent surveys indicate 60% of tourists to china visited the forbidden city, the temple of heaven, t...
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