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Lemur [1.5K]
3 years ago
11

Find the value of x. Round your answer to the nearest tenth. 7 sin 330 IX

Mathematics
1 answer:
valentina_108 [34]3 years ago
4 0

Step-by-step explanation:

first u should write value of sin 330

sin 330 =-12

the nearest tenth 7 ×-12

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I need help with this question please !!
RSB [31]

Answer:

100, because 180 - 50 - 90 = 40

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Which matrix is the product of a 3 × 3 identity matrix and the scalar 3?
Ludmilka [50]

Answer:

\left[\begin{array}{ccc}3&0&0\\0&3&0\\0&0&3\end{array}\right]

Step-by-step explanation:

In order to find out the resulting matrix, we will have to multiply the identity matric and the scalar 3:

The 3x3 identity matrix is:

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

Multiplying with scalar 3:

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

The scalar will be multiplied by each element of the matrix.

Multiplying zeros with scalar 3 will give us zero. So the resulting matrix will be:

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So the resultant matrix will be a scalar matrix with 3 at diagonal positions..

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3 years ago
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velikii [3]

Answer:

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Step-by-step explanation:

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5 0
4 years ago
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