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2 years ago

State the domain and range for the function (f)x = 2csc (x/2))

Mathematics

1 answer:

NikAS [45]2 years ago

3 0

Step-by-step explanation:

domain XER\{2kπ},kE

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Points C, D, and G lie on plane X. Points E and F lie on plane Y.

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

120 + 90 + 90 + 60 = 360

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3 years ago

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Luba_88 [7]

Answer:

We conclude that:

$3\cdot \:2\begin{pmatrix}-2&3&0\\ -4&2&6\\ 6&-5&6\end{pmatrix}=\begin{pmatrix}-12&18&0\\ -24&12&36\\ 36&-30&36\end{pmatrix}$

Hence, option B is correct.

Step-by-step explanation:

Given the expression

$3\times 2\begin{pmatrix}-2&3&0\\ \:-4&2&6\\ \:6&-5&6\end{pmatrix}$

solving

$3\times 2\begin{pmatrix}-2&3&0\\ \:-4&2&6\\ \:6&-5&6\end{pmatrix}$

Scalar Multiplication: Multiply each of the matrix elements by a scalar

$=\begin{pmatrix}3\cdot \:2\left(-2\right)&3\cdot \:2\cdot \:3&3\cdot \:2\cdot \:0\\ 3\cdot \:2\left(-4\right)&3\cdot \:2\cdot \:2&3\cdot \:2\cdot \:6\\ 3\cdot \:2\cdot \:6&3\cdot \:2\left(-5\right)&3\cdot \:2\cdot \:6\end{pmatrix}$

Simplify each element

$=\begin{pmatrix}-12&18&0\\ -24&12&36\\ 36&-30&36\end{pmatrix}$

Therefore, we conclude that:

$3\cdot \:2\begin{pmatrix}-2&3&0\\ -4&2&6\\ 6&-5&6\end{pmatrix}=\begin{pmatrix}-12&18&0\\ -24&12&36\\ 36&-30&36\end{pmatrix}$

Hence, option B is correct.

5 0

3 years ago

A rectangle has a length of 12 centimeters and a width of 4 centimeters. Find the perimeter.

mamaluj [8]

Answer:

Step-by-step explanation:

Given:

Length (l) = 12 cm

Width (w) = 4 cm

Perimeter of the rectangle = 2(l + w) units

P = 2(12 + 4)

P = 2 (16)

P = 32

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4 years ago

Read 2 more answers

sweety's ice cream shop sells ice cream by weight. they charge $6.95 per pound. if your dish of ice cream weighs 0.42 pounds, ho

AlekseyPX

The answer is 29.19
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4 years ago