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tigry1 [53]
3 years ago
6

Medicine taken by a patient breaks down and eventually leaves the patient’s system. Suppose a dose of 60 milligrams (mg) of medi

cine is given and it breaks down such that 20% of the medicine becomes ineffective every hour. How much of the 60 mg dose is still active after 3 hours, after 4.25 hours, after hours?
Mathematics
1 answer:
jeyben [28]3 years ago
3 0

Answer:

60*0.8 raised to the t power where t is time

Step-by-step explanation:

60*0.8³=30.72

60*0.8∧4.25=23.24254578

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All changes saved
lidiya [134]

Answer:

y=60+25h+0.3r

Step-by-step explanation:

let y be the total charges

given that the hour is h

and the cost for raw material is r

therefore

1. The first hour of service call = $60

2. For each additional hour= 25h

3. 30% over the cost of the materials.= 30/100*r=0.3r

total charges

y=60+25h+0.3r

therefore the expression is

y=60+25h+0.3r

6 0
3 years ago
What subjects together do more than half of the class like?
Arturiano [62]

Answer:

Math and Writing

Step-by-step explanation:

Well if we add up all the people we get (9 + 3 + 5 + 3 + 1) = 21. Half of that is 10.5 so the sum of the two subjects must be at least 11. The amount of people that like Math and Writing is 11 people so the two subjects that more than half the class like are Math and Writing.

4 0
2 years ago
Read 2 more answers
Cindy runs 13 blocks to the park and 13 blocks back home every day. If she does this 4 days, how many blocks will she run?
o-na [289]

Answer:

I believe the answer is 104

Step-by-step explanation:

13+13=26 thats 1 day so 26×4=104

8 0
3 years ago
Between Ahmedabad, Bombay, and Calcutta, there are the following highways: Ahmedabad – Bombay, Ahmedabad – Calcutta, and Bombay
Marizza181 [45]

Answer: p+p^2

Step-by-step explanation: shown in the attachment

3 0
3 years ago
*Answer asap please!*
almond37 [142]
$42.08 because 7$ or 3$ is not reasonable because it is 49$  and if it is 15% off it cannot go up to 56$ so it is 42.08 hope this helps can u mark me brainliest
4 0
4 years ago
Read 2 more answers
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