SOLUTION: At 12:00 noon, there were 200 bacteria present. By 4:00 pm, there were 379 bacteria. If the bacteria grows continuously, how many will there be at 7:30 pm?
There w
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Question 1144916: At 12:00 noon, there were 200 bacteria present. By 4:00 pm, there were 379 bacteria. If the bacteria grows continuously, how many will there be at 7:30 pm?
There will be_bacteria
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
I think "continuously" means a straight line
relation. You are given 2 points on a straight line.
( 0, 200 )
( 4, 379 )
Let = number of bacteria at time ,
so the given points are:
( t, N )
For noon, I set , so at 7:30,
--------------------------------
The general equation is:
where is the slope and
is the vertical intercept, and
and
so
--------------------------------
At 7:30 PM,
and
You can finish: can't find calculator
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