What is the product of two numbers x and y if x + y = 10?
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What is the sum of the mixed numbers 3 2/5 and 1 3/4 when factored by all prime numbers up to 10?
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What is the resultant vector when a vector of magnitude 5, at an angle of 30 degrees north of east, is added to a vector of magnitude 3, at an angle of 45 degrees south of east?