You get a positive number because you can use the leave, change, change rule for the signs. After the rule it would be a minus + a positive. The answer will vary depend on the size of each number.
Answer:
It is Positive 92
Step-by-step explanation:
-71 + 92 = 21
Step-by-step explanation:
- 90 + (x + 5) + (2x - 2) = 180
- x + 5 + 2x - 2 = 180 - 90
- 3x + 3 = 90
- 3x = 87
- x = 29
Yes the probability of an outcome that lies within 68% is a good indicator that lies in which standard deviation.
speed = distance / time = 100 m / 50 s = 2 m/sec
Juan average speed is 2 m / sec