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barxatty [35]
3 years ago
12

Two less than a number is less that or equal to 27​

Mathematics
1 answer:
bulgar [2K]3 years ago
7 0

Answer:

n ≤ 29

Step-by-step explanation:

Represent the number by n.  Then:

n - 2 ≤ 27

If we solve this, we get n ≤ 29

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Evaluate the given integral by making an appropriate change of variables. 10 x ? 5y 8x ? y da, r where r is the parallelogram en
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Take

\begin{cases}u=x-5y\\v=8x-y\end{cases}

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\begin{cases}\mathbf x(u,v)=\dfrac{-u+5v}{39}\\\\\mathbf y(u,v)=\dfrac{-8u+v}{39}\end{cases}

which gives a Jacobian determinant of

|\det J|=\left|\begin{vmatrix}\mathbf x_u&\mathbf x_v\\\mathbf y_u&\mathbf y_v\end{vmatrix}\right|=\dfrac1{32}

So upon transforming the coordinates to the u-v plane, you have (and I'm guessing on what the integrand actually is)

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3 years ago
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