If a person after 10 steps is at his starting position, then this person takes 5 steps forward and 5 steps backward.
This is a binomial distribution with
- probability to take step forward

- probability to take step backward


Then

Answer: 
Answer: 1. Yes
Step-by-step explanation: They are paralell because they create a straight line and will never interscect each other
<span>So, x+15 + 2x = 90 </span><span>
<span>Therefore 3x = 90 - 15 = 75 </span>
<span>and so x=25. </span>
<span>So the smaller angles are x+15 = 40 degrees and
2x=50 degrees. </span>
<span>So the larger one is 50 degrees.</span></span>
Answer:
sooo i think, it is
Step-by-step explanation: it screen shot cause i worked it out on my computer !