Find an explicit rule for the nth term of the sequence. -1, -5, -25, -125, ...
1 answer:
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Answer:
c. the zeros, -24 and 24, can be found when 0= (x+24)(x-24).
Step-by-step explanation:
The given function is
When we equate the function to zero, we obtai;
Use difference of two squares:
Use the zero product property to obtain;
This implies that;
The correct choice is C
Answer:
4 stations
Step-by-step explanation:
If we need to be at least 98% certain that an enemy plane flying over will be detected by at least one station, we must ensure that there is at most a 2% chance that no radar stations detect the plane.
The probability that a single radar station does not detect the plane is 0.35.
For n radar stations:
Rounding up to the next whole station, at least 4 stations are needed.