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s344n2d4d5 [400]
2 years ago
5

The amount of medicine in a patient's bloodstream is shown by the function A(h)=600(0.75)^h, where h is the number of hours that

have passed since the medicine was given.
A: The amount of medicine in the bloodstream increases by 25% each hour.
B: The amount of medicine in the bloodstream decreases by 25% each hour.
C: The amount of medicine in the bloodstream increases by 75% each hour.
D: The amount of medicine in the bloodstream decreases by 75% each hour.
Mathematics
1 answer:
scoundrel [369]2 years ago
5 0

The amount of medicine in the bloodstream decreases by 25% each hour.

<h3>Exponential equation</h3>

The standard exponential equation is expressed as:

y = ab^x

a is the initial amount

b is the rate

If b < 1, hence there is a declince

Given the expoenentia equation A(h)=600(0.75)^h,

b = 1 - r = 0.75

r = 1 - 0.75

r = 0.25

This shows that the amount of medicine in the bloodstream decreases by 25% each hour.

Learn more on exponential equation here: brainly.com/question/12940982

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Answer:

a) C(n) = 450+0.60n where n

b) R(n) = 1.80n where n

c) P(n) = - 450 +1.20n

Step-by-step explanation:

Sale price of chocolates = $1.80 per chocolate

Fixed cost for the Chocolate Shoppe per week = $450

Cost to produce one chocolate = $0.60

Cost to produce n chocolates = $0.60\times n

a) Cost function to represent the total cost for the production of n chocolates :

C(n) = 450+0.60n where n

b) Revenue function to represent the revenue from the sale of n chocolates:

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c) Profit function to represent Charlie's profit from selling n chocolates:

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3 0
3 years ago
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NARA [144]

so to find 15% of 54,237, we use this equation: (x/54237) = (15/100) where x is the amount of income tax.

cross multiply: 100x = 813555

divide each side by 100 to isolate x: 8135.55

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5 0
3 years ago
In February, Alec had 1,586 visitors to his website. In March, he had 1,352 visitors to his website. What is the percentage decr
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Answer:

The percentage decrease  of the number of visitors to Alec's website from February to March is 14.8 %  

Step-by-step explanation:

Explanation:

Percent decrease is a measure of percent change, which is the extent to which something loses value.

Step 1:

Find out the difference (decrease) between the number of visitors in march and February

Decrease =number of visitors in Fe bury- Number of vsitors in march

Decrease=  1,586- 1,352

Decrease =234

Step 2:

Divide the decrease by the original number of visitors and multiply the answer by 100.

Percent decrease= \frac{Decrease }{ Original Number }\times100

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Can someone answer this
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Answer:

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