Approximately 68% of a normal distribution lies within one standard deviation of the mean, so this corresponds to students with scores between (57.5 - 6.5, 57.5 + 6.5) = (51, 64)
Answer:
55
Step-by-step explanation:
if you do 3 times a number, 3x and twice more, 2x , that would be 5x divided by 275 which would be 55.
Answer:
2x + 12
Step-by-step explanation:
Example of Associative Property Addition:
a + (b+c) = b + (a+c)
Now, implement it to the given expression:
(2x+8) + 4 = 2x + (8+4)
That simplifies to:
2x + 12
Answer:
the fourth one
Step-by-step explanation:
38,496 rounded to the nearest thousand is 38,000.
