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X+y=-4 x-y=2 use elimination with adding and subtraction
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Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.
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Mathematics, 21.06.2019 23:00
Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer
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Evaluate.
781
1.8
2.10
3.11
4.9
...
781
1.8
2.10
3.11
4.9
...
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