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Inessa05 [86]
3 years ago
15

Simplify / solve √18 - √12

Mathematics
1 answer:
Studentka2010 [4]3 years ago
6 0

Answer:

(simplified) 3√2 − 2√3

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$266.60

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if 24000 bricks of the same shape and size are required to build a wall of dimensions 15m*6m*20cm ,find the volume of each brick
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3 years ago
Rewrite the expression in the form... (PLZ HELP QUICK I'LL GIVE BRAINLIEST)
ivanzaharov [21]

Answer: 3*z^\frac{2}{9}

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What is the distance between point G(−4, 1) and point H(−12, 1) ?<br> would be (8)
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3 0
3 years ago
Find two unit vectors orthogonal to both given vectors. i j k, 4i k
Maurinko [17]
The cross product of two vectors gives a third vector \mathbf v that is orthogonal to the first two.

\mathbf v=(\vec i+\vec j+\vec k)\times(4\,\vec i+\vec k)=\begin{vmatrix}\vec i&\vec j&\vec k\\1&1&1\\4&0&1\end{vmatrix}=\vec i+3\,\vec j-4\,\vec k

Normalize this vector by dividing it by its norm:

\dfrac{\mathbf v}{\|\mathbf v\|}=\dfrac{\vec i+3\,\vec j-4\,\vec k}{\sqrt{1^2+3^2+(-4)^2}}=\dfrac1{\sqrt{26}}(\vec i+3\,\vec j-4\vec k)

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6 0
3 years ago
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