Mathematics, 14.01.2021 21:20 crun
Which expression is equivalent to this polynomial expression?
(2a – 3b)(2a2 + 6a2b) + (6a2b + 12ab2 – 7b3)
O A. 4a3 + 12a2b – 25b3
OB. 4a3 + 12a2b + 24ab2 – 11b3
OC. 4a3 + 24ab2 – 25b3
OD.
4a3 – 12a2b – 24ab2 – 11b3
Answers: 3
Mathematics, 21.06.2019 21:40, ur4286
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
Which expression is equivalent to this polynomial expression?
(2a – 3b)(2a2 + 6a2b) + (6a2b + 12ab2...
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