Answer: 4.4
Step-by-step explanation:
First you need to take 4 from both sides and then your left with 5x=22
Then you divide from both sides and you get 4.4.
That is your final answer.
Answer:
There is a decreasing pattern the farther they are the less likely hit the target.
Step-by-step explanation:
Answer:
x=1/4 , y=-1/4. You can confirm this by substituting the numbers in.
Step-by-step explanation:
Assume that a step to the north is in the positive direction and a step in the south is in the negative direction.
Then,

and

After 1 hour of independent steps,

and

Therefore, by Central Limit Theorem, the distribution of the random walk is normal with a mean of 0 cm and a standard deviation of 17.32 cm. He is expected to be somewhere around his starting point after 1 hour.