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Pani-rosa [81]
3 years ago
9

Find the matrix P that multiplies (x; y; z) to give (y; z; x). Find the matrix Q that multiplies (y; z; x) to bring back (x; y;

z).
Mathematics
1 answer:
RideAnS [48]3 years ago
7 0

Answer:

P = \left[\begin{array}{ccc}0&1&0\\0&0&1\\1&0&0\end{array}\right]

Q = \left[\begin{array}{ccc}0&0&1\\1&0&0\\0&1&0\end{array}\right]

Step-by-step explanation:

P*\left[\begin{array}{c}x\\y\\z\end{array}\right]=\left[\begin{array}{ccc}0&1&0\\0&0&1\\1&0&0\end{array}\right] \left[\begin{array}{c}x\\y\\z\end{array}\right] = \left[\begin{array}{c}y\\z\\x\end{array}\right]

Q*\left[\begin{array}{c}y\\z\\x\end{array}\right]=\left[\begin{array}{ccc}0&0&1\\1&0&0\\0&1&0\end{array}\right] \left[\begin{array}{c}y\\z\\x\end{array}\right] = \left[\begin{array}{c}x\\y\\z\end{array}\right]

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A luxury liner leaves a port on a bearing of 110 degrees and travels 8.8 miles. It then turns due west and travels 2.4 miles. Ho
myrzilka [38]

Answer:

Distance= 6.6 miles

Bearing= N 62.854°W

Step-by-step explanation:

Let's determine angle b first

Angle b=20° (alternate angles)

Using cosine rule

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X² =8.8²+2.4²-2(8.8)(2.4)cos20

X²= 77.44 + 5.76-(39.69)

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Step-by-step explanation:

Hi there!

Let´s write the expression:

[(2)^√3]^√3

Now, let´s write the square roots as fractional exponents (√3 = 3^1/2):

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Let´s apply the following exponents property: (xᵃ)ᵇ = xᵃᵇ and multiply the exponents:

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Apply the following property of exponents: xᵃ · xᵇ = xᵃ⁺ᵇ

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Then the expression can be written as:

[(2)^√3]^√3 = 8

Have a nice day!

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3 years ago
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