Please help me with math
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Mathematics, 21.06.2019 16:00
The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?
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Mathematics, 21.06.2019 19:30
The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions
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Mathematics, 21.06.2019 19:30
Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500
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Mathematics, 21.06.2019 20:20
How do the number line graphs of the solutions sets of -23 > x and x-23 differ?
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Geography, 30.09.2019 05:30
History, 30.09.2019 05:30
Mathematics, 30.09.2019 05:30
History, 30.09.2019 05:30
History, 30.09.2019 05:30
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Geography, 30.09.2019 05:30
Mathematics, 30.09.2019 05:30
Mathematics, 30.09.2019 05:30
Mathematics, 30.09.2019 05:30
Mathematics, 30.09.2019 05:30