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Oksanka [162]
3 years ago
6

76 is 147% of what number?

Mathematics
2 answers:
egoroff_w [7]3 years ago
5 0

Answer:

111.72

Step-by-step explanation:

scoundrel [369]3 years ago
4 0

Answer:

111.72

Step-by-step explanation:

76 × (147/100)

hope it helps ☺️

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PASAGOT PO SALAMAT...​
JulsSmile [24]

Answer:

GET BAD GRADES LOSER YOU DESERVE IT. STOP BEING MEAN

Step-by-step explanation:

4 0
3 years ago
Solve the given initial-value problem. x' = 1 2 0 1 − 1 2 x, x(0) = 2 7
Ilia_Sergeevich [38]
I'll go out on a limb and guess the system is

\mathbf x'=\begin{bmatrix}\frac12&0\\1&-\frac12\end{bmatrix}\mathbf x

with initial condition \mathbf x(0)=\begin{bmatrix}2&7\end{bmatrix}^\top. The coefficient matrix has eigenvalues \lambda such that

\begin{vmatrix}\frac12-\lambda&0\\1&-\frac12-\lambda\end{vmatrix}=\lambda^2-\dfrac14=0\implies\lambda=\pm\dfrac12

The corresponding eigenvectors \eta are such that

\lambda=\dfrac12\implies\begin{bmatrix}\frac12-\frac12&0\\1&-\frac12-\frac12\end{bmatrix}\eta=\begin{bmatrix}0&0\\1&-1\end{bmatrix}\eta=\begin{bmatrix}0\\0\end{bmatrix}
\implies\eta=\begin{bmatrix}1\\1\end{bmatrix}

\lambda=-\dfrac12\implies\begin{bmatrix}\frac12+\frac12&0\\1&-\frac12+\frac12\end{bmatrix}\eta=\begin{bmatrix}1&0\\1&0\end{bmatrix}\eta=\begin{bmatrix}0\\0\end{bmatrix}
\implies\eta=\begin{bmatrix}0\\1\end{bmatrix}

So the characteristic solution to the ODE system is

\mathbf x(t)=C_1\begin{bmatrix}1\\1\end{bmatrix}e^{t/2}+C_2\begin{bmatrix}0\\1\end{bmatrix}e^{-t/2}

When t=0, we have

\begin{bmatrix}2\\7\end{bmatrix}=C_1\begin{bmatrix}1\\1\end{bmatrix}+C_2\begin{bmatrix}0\\1\end{bmatrix}=\begin{bmatrix}C_1\\C_1+C_2\end{bmatrix}

from which it follows that C_1=2 and C_2=5, making the particular solution to the IVP

\mathbf x(t)=2\begin{bmatrix}1\\1\end{bmatrix}e^{t/2}+5\begin{bmatrix}0\\1\end{bmatrix}e^{-t/2}

\mathbf x(t)=\begin{bmatrix}2e^{t/2}\\2e^{t/2}+5e^{-t/2}\end{bmatrix}
5 0
4 years ago
If a⊕ b= 1/a + 1/b , for what decimal value of a is a⊕ 0.2=10?
IceJOKER [234]

Answer:

0.2

Step-by-step explanation:

1/0.2 = 5

10-5 = 5

1/a = 5

a = 1/5

a = 0.2

6 0
3 years ago
Read 2 more answers
PLEASE HELP ME ASAP!!!!!!
attashe74 [19]

Answer:

they are vertical angles

Step-by-step explanation:

just learned about this

3 0
3 years ago
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At a currency exchange, 10 U.S. dollars can be exchanged for 11 Euros. How many Euros will you receive for 1 U.S. dollar?
Kipish [7]

Answer: 2 Euros.


Step-by-step explanation: Because the amount of Euros was one more than the amount of dollars I added 1 more to the one dollar.

I hope this helps you! :D


3 0
4 years ago
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