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olya-2409 [2.1K]

3 years ago

5

How to solve two step matrix

1 answer:

Andreyy893 years ago

3 0

Answer:

In mathematics, a matrix (plural matrices) is a rectangular array (see irregular matrix) of numbers, symbols, or expressions, arranged in rows and columns. Provided that they have the same size (each matrix has the same number of rows and the same number of columns as the other), two matrices can be added or subtracted element by element (see conformable matrix). The rule for matrix multiplication, however, is that two matrices can be multiplied only when the number of columns in the first equals the number of rows in the second (i.e., the inner dimensions are the same, n for an (m×n)-matrix times an (n×p)-matrix, resulting in an (m×p)-matrix). There is no product the other way round, a first hint that matrix multiplication is not commutative. Any matrix can be multiplied element-wise by a scalar from its associated field.

Step-by-step explanation:

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The vertices of ΔABC are A(−3,4), B(−2,4), and C(−5,2). If ΔABC is reflected across the line y=−2 to produce the image ΔA'B'C

Mumz [18]

The coordinates of vertex B' is $P'(x,y) = (-2, -8)$ .

<h3>How to calculate the coordinate of point by reflection</h3>

A point if reflected across the line $y = -2$ by means of the following formula:

$P'(x,y) = P(x,y)+2\cdot [(x_{P}, -2)-P(x,y)]$ (1)

Where:

$P(x,y)$ - Original point
$x_{P}$ - x-Coordinate of point P
$P'(x,y)$ - Resulting point

If we know that $P(x,y) = (-2,4)$ and $x_{P} = -2$ , then the coordinates of the vertex is:

$P'(x,y) = (-2, 4) + 2\cdot [(-2,-2)-(-2,4)]$

$P'(x,y) = (-2, 4) +2\cdot (0, -6)$

$P'(x,y) = (-2, 4) + (0,-12)$

$P'(x,y) = (-2, -8)$

The coordinates of vertex B' is $P'(x,y) = (-2, -8)$ . $\blacksquare$

To learn more on reflections, we kindly invite to check this verified question: brainly.com/question/1878272

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2 years ago

Graph the solution to this inequality on the number line.<br><br> 1/4x − 2 < − 1 1/2

Shalnov [3]

Answer:

Draw an open circle on 2 and continue the arrow left.

Step-by-step explanation:

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2 years ago

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3/5 of the students in a classroom are girls if there are 10 boys in the class how many total students are there

nata0808 [166]

16 students is the correct answer...
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3 years ago

(1 - 5q ) +2 (2.5q +8 )

VikaD [51]

Distribute
remember
a(b+c)=ab+ac
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1-5q+5q+16
1+0+16
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3 years ago

Solve the equation 2.2 =z-1.1

Tresset [83]

Answer:

Answer is 3.3 simplfly is 3.3 have good day

Step-by-step explanation:

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3 years ago

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