A stockbroker knows from experience that the probability that a client owns stocks is 0.60. P(A) The probability that a client o
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This system has exactly one solution, because the two equation are linearly independent (i.e. one is not a multiple of the other).
We can explicitly find the solutions: from the first equation we deduce
Plug this value for x in the second equation:
Multiply both sides by 6 to get
Plug this value for y in the expression for x:
Since both a,b are not zero, both solutions are well defined.
Answer: There will 486 bacteria in 31 hours.
Step-by-step explanation:
The population decay in bacteria is exponential.
Exponential function : , where A = initial population, b multiplication decay factor, t= time:
As per given:
Initial population:
After 36 hours, population =
Divide both sides by 120,000 we get
Taking natural log on both sides , we get
At x= 31,
Hence, there will 486 bacteria in 31 hours.