Mathematics, 14.07.2019 20:50 Brittany0512
Which number sentence shows the associative property of addition? choose all that apply. 3z + 9p = 9p + 3z 3x(5 + 2) = 3x(5) + 3x(2) 3 + (2 + 8) = (3 + 2) + 8 (6 + 1) + 9 = 6 + (1 + 9)
Answers: 1
Mathematics, 21.06.2019 15:30
After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30
Answers: 1
Mathematics, 21.06.2019 16:40
This question awards 100 ! i really donβt want to fail i will also mark you !
Answers: 2
Mathematics, 21.06.2019 18:00
A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees
Answers: 2
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
Which number sentence shows the associative property of addition? choose all that apply. 3z + 9p =...
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