Mathematics, 03.11.2020 01:50 daniel195
Solve x2 + 8x = 33 by completing the square. Which is the solution set of the equation?
O {-11, 3}
O-3, 11}
O{-4,4}
O{-7, 7}
Answers: 2
Mathematics, 21.06.2019 13:30
What value is equivalent to 5 + [5 × (4 + 2)]? a) 35 b) 45 c) 60 d) 110
Answers: 2
Mathematics, 21.06.2019 23:00
Each of the following data sets has a mean of x = 10. (i) 8 9 10 11 12 (ii) 7 9 10 11 13 (iii) 7 8 10 12 13 (a) without doing any computations, order the data sets according to increasing value of standard deviations. (i), (iii), (ii) (ii), (i), (iii) (iii), (i), (ii) (iii), (ii), (i) (i), (ii), (iii) (ii), (iii), (i) (b) why do you expect the difference in standard deviations between data sets (i) and (ii) to be greater than the difference in standard deviations between data sets (ii) and (iii)? hint: consider how much the data in the respective sets differ from the mean. the data change between data sets (i) and (ii) increased the squared difference îł(x - x)2 by more than data sets (ii) and (iii). the data change between data sets (ii) and (iii) increased the squared difference îł(x - x)2 by more than data sets (i) and (ii). the data change between data sets (i) and (ii) decreased the squared difference îł(x - x)2 by more than data sets (ii) and (iii). none of the above
Answers: 2
Solve x2 + 8x = 33 by completing the square. Which is the solution set of the equation?
O {-11, 3}<...
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