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vitfil [10]
4 years ago
14

When doctors prescribe medicine, they must consider how the drug’s effectiveness declines as time passes. If each hour a drug is

only 90% as effective as the previous hour, at some point the patient will have to be given another dose in order for the drug to remain effective. If the initial dose was 500 mg and the drug was administered 6 hours ago, how long will it take for the initial dose to reach a level of 150 mg?
This is an example of
A) exponential growth.
B) exponential decay.
C) quadratic growth.
D) logistic decay.
Mathematics
2 answers:
ziro4ka [17]4 years ago
6 0

Answer:         B                 have a good day and good luck  ;]

Step-by-step explanation:

Pie4 years ago
5 0

Answer:

B)

Step-by-step explanation:

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Please help!!! trying to finish early
Scrat [10]
To solve this problem you must apply the proccedure shown below:

 The linear functions have the form y=mx+b

 where m is the slope and b is the y- intercept

 Therefore, you have:

 1) The slope -6/5 and b=(0,8) is:

 y=(6/5)x+8

 
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6 0
3 years ago
Is 3/4 proportional to 6/15 ​
LiRa [457]

answer:

no

step-by-step explanation:

step one- cross multiply

3*15=4*6

step two- multiply

3*15=45 4*6=24

step three- simplify

45=24

45 and 24 aren't equal, therefore 3/4 and 6/15 are not proportional

good luck :)

i hope this helps

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4 0
3 years ago
Find -6 + 6. Show<br> your work
STatiana [176]

Answer:

Answer is 0

Step-by-step explanation:

Well it's just simple, -6 + 6 is 0.

4 0
3 years ago
Read 2 more answers
You invest $300 in an account that has an interest rate of 1.3%, compounded monthly. How much money is in the account after 10 y
RoseWind [281]
The formula is
A=p (1+r/k)^kt
A future value?
P present value 300
R interest rate 0.013
k compounded monthly 12
T time 10 years
A=300×(1+0.013÷12)^(12×10)
A=341.62
5 0
3 years ago
Determine the degree of each monomial.
FromTheMoon [43]

Answer:

Step-by-step explanation:

4= 0 degree

2z= 1 degree

4r^2st^3= 6 degree

3xyz^2= 4 degree

5 0
3 years ago
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