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Mathematics, 21.06.2019 21:00
Evaluate 5 + 6 Β· 2 β 8 Γ· 4 + 7 using the correct order of operations. a. 22 b. 11 c. 27 d. 5
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Mathematics, 21.06.2019 21:40
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.
Answers: 3
Mathematics, 21.06.2019 23:30
Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?
Answers: 1
Two times a number is at least 16.
Inequality...
Inequality...
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