Is 3x*-1, -4x or -3x?
* = times by
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Mathematics, 21.06.2019 14:40
Which system of linear inequalities is represented by the graph? !
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Mathematics, 21.06.2019 21:00
Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75
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Mathematics, 21.06.2019 23:00
Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.
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Mathematics, 22.06.2019 04:40
The discrete random variables x and y take integer values with joint probability distribution given by f (x,y) = a(y−x+1) 0 ≤ x ≤ y ≤ 2 or =0 otherwise, where a is a constant. 1 tabulate the distribution and show that a = 0.1.2 find the marginal distributions of x and y. 3 calculate cov(x,y).4 state, giving a reason, whether x and y are independent. 5 calculate e(y|x = 1).
Answers: 2
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