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kodGreya [7K]
3 years ago
13

a total of 45mg of medication is dissolved in a solution containing 300ml. if 20ml of the solution are administered to a patient

, how many milligrams of medication does the patient receive
Mathematics
1 answer:
sergiy2304 [10]3 years ago
5 0
3mg 
(Multiply 45mg by 20ml and then divide by 300ml I believe. )
((:
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½(4k + 3r) ÷ 3^1<br><br> k = 9<br> r = 6<br><br> show work
vampirchik [111]

Answer:

The solution is given below:

Step-by-step explanation:

\\ \frac{1}{2} (4k + 3r) \div  {3}^{1}

As we know the value of k and r so the equation will be

\\ \frac{1}{2} (4 \times 9 + 3 \times 6) \div  {3}^{1}

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A population has the following characteristics. (a) A total of 75% of the population survives the first year. Of that 75%, 25% s
Artemon [7]

Answer:

= \left[\begin{array}{ccc}1344\\84\\28\end{array}\right]  \left \begin{array}{ccc}{0 \  \leq  age   \leq  1 }\\{ 1 \  \leq  age   \leq  2 }\\{2 \  \leq  age  \leq 3}\end{array}\right

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Step-by-step explanation:

We can deduce that the age distribution vector x represents the number of population members for each age class; Given that in each class of age there are 112 members present.

The current age distribution vector is as follows:

x = \left[\begin{array}{ccc}1&1&2\\1&1&2\\1&1&2\end{array}\right] \left[\begin{array}{ccc}{0 \  \leq  age   \leq  1 }\\{ 0 \  \leq  age   \leq  2 }\\{0 \  \leq  age   \leq 3}\end{array}\right]

Also , the age transition matrix is as follows:

L = \left[\begin{array}{ccc}3&6&3\\0.75&0&0 \\0&0.25&0\end{array}\right]

After 1 year ; the age distribution vector will be :

x_2 =Lx_1 = \left[\begin{array}{ccc}3&6&3\\0.75&0&0 \\0&0.25&0\end{array}\right]  \left[\begin{array}{ccc}1&1&2\\1&1&2\\1&1&2\end{array}\right]

= \left[\begin{array}{ccc}1344\\84\\28\end{array}\right]  \left \begin{array}{ccc}{0 \  \leq  age   \leq 1 }\\{ 1 \  \leq  age   \leq  2 }\\{2 \  \leq  age   \leq  3}\end{array}\right

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