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Bumek [7]
3 years ago
9

1. use the graph of y = sin θ to find the value of sin θ for each value of θ. 270°please help

Mathematics
1 answer:
alukav5142 [94]3 years ago
5 0
You are expected to memorize the general shape of the sine function, including where the peaks and zero crossings are. The graph shows you the value of
  sin(270°) = -1

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The mathematical statement 4 C A means:
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The mathematical statement 4 C A means that 4 is a subset of A. The "C" symbol is generally used in mathematical statements to mean that the former is a subset of the following statement.
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Ginny buys 7 magazines for 2.80 how much does 1 cost?<br> How much does do 5 magazine cost?
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one costs 0.40 and 5 cost 2.00

Step-by-step explanation:

bc 2.80/7 = 0.40

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How can you tell how many solutions a linear equation will have by looking at the equation?
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Answer:

A system of two equations can be classified as follows

Step-by-step explanation:

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2 years ago
A trucking company uses matrix A , shown below, to represent the driving time in hours for 6 trucking routes. A = [ 4 6 8 ]
zepelin [54]

Each element of the matrix are multiplied by the scalar to form a matrix of

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  • 60 \cdot A = \left[\begin{array}{ccc}240\4&360&480\\360&480&600\end{array}\right]

Reasons:

The matrix <em>A</em> is presented as follows;

A = {\left[\begin{array}{ccc}4&6&8\\6&8&10\end{array}\right]}

Using the multiplication of a matrix and a scalar, we have;

60 \cdot A = 60 \cdot  \left[\begin{array}{ccc}4&6&8\\6&8&10\end{array}\right] =  \left[\begin{array}{ccc}60 \times 4&60 \times 6&60 \times 8\\60 \times 6&60 \times 8&60 \times 10\end{array}\right] = \left[\begin{array}{ccc}\mathbf{240}&\mathbf{360}&\mathbf{480}\\\mathbf{360}&\mathbf{480}&\mathbf{600}\end{array}\right]

Therefore;

60 \cdot A = \left[\begin{array}{ccc}240\4&360&480\\360&480&600\end{array}\right]

Learn more about matrices here:

brainly.com/question/14296012

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2 years ago
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