Answer:
There is an 85% probability that the sprinkler head will be activated.
Step-by-step explanation:
We have these following probabilities:
50% of the first sprinkler being triggered
90% of the first sprinkler being reliable
50% of the second sprinkler being triggered
80% of the second sprinkler being reliable.
What is the probability that the sprinkler head will be activated?

is the probability of the first sprinkler being triggered and activated. So:

is the probability of the second sprinkler being triggered and activated. So:


There is an 85% probability that the sprinkler head will be activated.
Answer:
The first one is a reflection of the figure shown over the given line reflection.
Answer:
i dont know it looks complicated
Step-by-step explanation:
copy paste then search it, you might find it.
Answer:
The answer would be B.
Step-by-step explanation:
I hope you all are doing great and staying positive. It will get better.