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Bond [772]
4 years ago
12

While testing a new vaccine, a lab technician noticed that the number of bacteria reduced by half every minute. How long does it

take for 3,000 bacteria to reduce to 375?
It takes
minutes for the number of bacteria to reduce from 3,000 to 375.
NextReset
Mathematics
1 answer:
USPshnik [31]4 years ago
3 0
50 mins would be the answer I think
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Answer:

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4^2 = 7^2 + 10^2 - 2 × 7 × 10 cos A

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16 = 149 - 140cosA

16- 149 = - 140cosA

-133 = - 140cosA

cosA = 133/140

cosA = 0.95

A = 17.2°

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