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sergejj [24]
3 years ago
5

......................................................................................................

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
5 0
The answer to your question is .........
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Compute a · (b ✕ c), where a = i − 3j + k, b = 4i + j + k and c = 9i − j + 3k.
grandymaker [24]
\mathbf a=\mathbf i-3\,\mathbf j+\mathbf k
\mathbf b=4\,\mathbf i+\mathbf j+\mathbf k
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\mathbf b\times\mathbf c=\begin{vmatrix}\mathbf i&\mathbf j&\mathbf k\\4&1&1\\9&-1&3\end{vmatrix}=4\,\mathbf i-3\,\mathbf j-13\,\mathbf k

\mathbf a\cdot(\mathbf b\times\mathbf c)=(\mathbf i-3\,\mathbf j+\mathbf k)\cdot(2\,\mathbf i-3\,\mathbf j-13\,\mathbf k)=4+(-3)^2-13=0
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What is √117 simplified
kenny6666 [7]

Answer:

10.82

Step-by-step explanation:

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Adding &subtracting x-60=20
Alex777 [14]
Just add to find X
20 + 60 = 80
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2 years ago
You invest $1000 in an accound that pays 7.9% interest, compounded monthly. How much money is in the account at the end of three
faust18 [17]

Answer:I hope the following example will help you

Step-by-step explanation:

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