Recent content by mathmom28

(9x + 5) + (3x + 1) = 90 12x + 6 = 90 12x = 84 x = 7

Solution is correct, although I have no idea how you got from 3x + 5 = 5x - 13 to 8x - 8 = 24 You should have started with: (3x + 5) + (5x - 13) = 24 8x - 8 = 24 8x = 32 x = 4

Solution is correct, although I have no idea how you got from 3x + 5 = 5x - 13 to 8x - 8 = 24 You should have started with: (3x + 5) + (5x - 13) = 24 8x - 8 = 24 8x = 32 x = 4

The dollar did not go anywhere. The friends each paid $9 for a total of $27 paid out The hotel has $25 and the bellhop has $2 for a total of $27

average acceleration = (27 m/s - 0m/s) / 3.9s = (27m/s) / 3.9s = 6.923 m/s²

P (Suki is selected from her class) = 2/5 P (Loe is selected from his class) = 2/4 P (Suki & Leo are both selected) = P (Suki is selected) * P (Leo is selected) = 2/5 * 2/4 = 1/5