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zepelin [54]
2 years ago
13

-3 = -3 (2t+1) t=? Step by step please

Mathematics
1 answer:
sergeinik [125]2 years ago
4 0
First you have to distribute the -3 to the 2t and the 1. That equals -6t and -3. Then, you have to make the -3 go to the other side that way you could leave the t alone. This means the -3 becomes a +3. -3+3=0 Next you have to divide the -6 with the zero that way the t is isolated (left alone). This equals 0. Which means that t=0.
Hope this helps!
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Angle K = angle M

(4x-1)=(2x+27)

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x=14

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Ad libitum [116K]

Answer:

The steady state proportion for the U (uninvolved) fraction is 0.4.

Step-by-step explanation:

This can be modeled as a Markov chain, with two states:

U: uninvolved

M: matched

The transitions probability matrix is:

\begin{pmatrix} &U&M\\U&0.85&0.15\\M&0.10&0.90\end{pmatrix}

The steady state is that satisfies this product of matrixs:

[\pi] \cdot [P]=[\pi]

being π the matrix of steady-state proportions and P the transition matrix.

If we multiply, we have:

(\pi_U,\pi_M)*\begin{pmatrix}0.85&0.15\\0.10&0.90\end{pmatrix}=(\pi_U,\pi_M)

Now we have to solve this equations

0.85\pi_U+0.10\pi_M=\pi_U\\\\0.15\pi_U+0.90\pi_M=\pi_M

We choose one of the equations and solve:

0.85\pi_U+0.10\pi_M=\pi_U\\\\\pi_M=((1-0.85)/0.10)\pi_U=1.5\pi_U\\\\\\\pi_M+\pi_U=1\\\\1.5\pi_U+\pi_U=1\\\\\pi_U=1/2.5=0.4 \\\\ \pi_M=1.5\pi_U=1.5*0.4=0.6

Then, the steady state proportion for the U (uninvolved) fraction is 0.4.

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