The cells of a certain culture of bacteria triple every 2 minutes. If there are 40 cells in the beginning, in how many minutes w ill there be more than 9500 cells? A) 4 min
B) 5 min
C) 11 min
D) 10 min
1 answer:
9500=40×(3)^t Where t is the number of minutes Solve for t 9500/40=3^t Take the log Log (9500/40)=log (3)×t Divide each side by log (3) T=log(9,500÷40)÷log(3) T=4.9 minutes So there will be more than 9500 cells in 5 minutes
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For vertex form, half the middle term and square it (x2 + 4x + 16) + 18 - 16 so... (x + 4) ^2 + 2
You would take 12 X 20, and that equals 240. $120 is your answer.
Answer:8
Step-by-step explanation:
Answer:
Step-by-step explanation:
12 x + 4 y = 42 .............1
16 x + 8 y = 64 .............2
Eliminate y
multiply (1)by -2
Multiply (2) by 1
-24 x -8 y = -84
16 x 8 y = 64
Add the two equations
-8 x = -20
Answer: 10y
Step-by-step explanation: All variables equal one unless assigned a specific answer. So It is basically 9y+1
9y+1=10y
Final Answer: 10y
Hope this helps! :D