Answer:
What other answer?
Step-by-step explanation:
The answer is A since -12 is added on both sides. And when adding with negatives you ALWAYS take the sign of the bigger number :)
You can honestly find it your self your probably failing your class
Answer: The minimum reliability for the second stage be 0.979.
Step-by-step explanation:
Since we have given that
Probability for the overall rocket reliable for a successful mission = 97%
Probability for the first stage = 99%
We need to find the minimum reliability for the second stage :
So, it becomes:
P(overall reliability) = P(first stage ) × P(second stage)

Hence, the minimum reliability for the second stage be 0.979.