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zepelin [54]
3 years ago
12

I need help with this

Mathematics
2 answers:
jeka57 [31]3 years ago
6 0

Answer:

A

Step-by-step explanation:

supplementary agles add up to 180 degrees, so when you subtract 162 from 180, you get 18. Hope this helped :D

den301095 [7]3 years ago
3 0

Answer:

A

Step-by-step explanation:

supplementary means it adds up to 180

so 162 + 18 = 180

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Answer:

20

Step-by-step explanation:

When looking for the perimeter just add all the numbers together.

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3 years ago
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What is value of the X? And what is the value of the missing angle? Pls help
sasho [114]
So it work like this
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7 0
3 years ago
Cdef maps to jklm with the transformation (x,y) to (4x,4y) to (x-4,y-9). What is the value of ef/lm.
Elina [12.6K]

Answer:

EF / LM = 1 / 4

Step-by-step explanation:

Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, translation, dilation and rotation.

Dilation is the enlargement or reduction in the size of a figure. If a point A(x, y) is dilated by a scale factor of k, the new point is at A'(kx, ky).

Translation is the movement of a point right, left, up or down. If a point A(x, y) is translated a units left and b units down, the new point is at A'(x - a, y - b).

Translation preserves the size and shape of an object. Dilation preserves the shape but not the size.

Cdef maps to jklm with the transformation (x,y) to (4x,4y) to (x-4,y-9).

CDEF was first dilated by a scale factor of 4 to get (4x,4y) before it was translated by (x-4,y-9). Since dilation changes the size of the figure, hence JKLM would be 4 times the size of CDEF. Therefore:

LM / EF = 4

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6 0
2 years ago
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Dahasolnce [82]

Answer:

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Step-by-step explanation:

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8 0
2 years ago
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stealth61 [152]

Answer:

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Step-by-step explanation:

For the 2 sides to be equal then the coefficients of the imaginary terms and the real terms must be equal.

Given

- 3 + yi = x + 6i , then

x = - 3 and y = 6

7 0
2 years ago
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