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How many neutrons does element X have if its atomic number is 38 and its mass number is 92?
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The probability of winning something on a single play at a slot machine is 0.11. after 4 plays on the slot machine, what is the probability of winning at least once
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Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?
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Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?
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How many neutrons does element X have if its atomic number is 38 and its mass number is 92?...
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