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Alinara [238K]
3 years ago
10

The half-life of a drug is 4 hours. A patient has been taking the drug on a regular basis for a few months and then discontinues

taking it. The concentration of the drug in a patient's system is 120 ng/mL when the patient stops taking the medication. Complete the table, rounded to the nearest tenth of a ng.

Mathematics
1 answer:
brilliants [131]3 years ago
7 0

Answer:

Step-by-step explanation:

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Pie
Answer: subtraction
Reasoning: You need to subtract 3 from both sides first.
7 0
3 years ago
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Which quadratic equation defines the function that has zeros at − 1/12 and 1/4 ?
Cerrena [4.2K]
\bf \begin{cases}
x=-\frac{1}{2}\implies &x+\frac{1}{2}=0\\\\
x=\frac{1}{4}\implies &x-\frac{1}{4}=0
\end{cases}
\\\\\\
\left( x+\frac{1}{2} \right)\left( x-\frac{1}{4} \right)=\stackrel{y}{0}\implies \stackrel{FOIL}{x^2+\frac{1}{4}x-\frac{1}{8}}=y
7 0
3 years ago
The links of the sides of a triangle are given determine if the triangle is a right triangle if it is identify the hypotenuse
Advocard [28]

Answer:

I would choose A

Step-by-step explanation:

I chose A because it's an hypotenuse because of the different sides

7 0
2 years ago
What theorem or postulate can be used to justify that the two triangles are congruent? Write the congruence
jekas [21]

Answer:

A

Step-by-step explanation:

4 0
2 years ago
Billy is playing a game using a bag with 11 marbles inside. The bag contains 3 red, 3 orange, 1 yellow, 2 purple marbles, and 2
Dmitrij [34]

Answer: 3/55

Step-by-step explanation:

From the information given, the bag contains 3 red, 3 orange, 1 yellow, 2 purple marbles, and 2 Pink marbles. Each time he picks an orange marble, she will win a prize.

If he picks a marble the first time, the probability of picking an orange marble will be 3/11. After that we will have 10 marbles left as one has been picked and have 2 orange marbles left, then the probability of picking another orange marble will be 2/10.

Therefore, the probability he will win a prize on both picks will be:

= 3/11 × 2/10

= 6/110

= 3/55

4 0
2 years ago
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