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mihalych1998 [28]
3 years ago
6

Find the value of x. I added an attachment please help I don't need an explanation.

Mathematics
2 answers:
mel-nik [20]3 years ago
8 0
69 degrees

i know you don’t want an explanation but the answer asks for more characters but they just add up to 180 degrees
juin [17]3 years ago
4 0

Answer:

69

Step-by-step explanation:

(x+54+57)=180

x=69

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How do you simplify (x^2+4x-1)-(x)
nadya68 [22]

Answer:

Step-by-step explanation:

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3 years ago
A square on a coordinate plane has the points A(0, 0), B(0, 5), C(5, 5) and D(5, 0). If Square ABCD is rotated about the origin
Georgia [21]

Answer:

B. 5 units

Step-by-step explanation:

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

If a point X(x,y) is rotated about the origin 180 degrees clockwise the new point is at X'(-x, -y).

If the square with vertices at A(0, 0), B(0, 5), C(5, 5) and D(5, 0) is rotated about the origin 180 degrees clockwise the new points are at A'(0, 0), B'(0, -5), C'(-5, -5), D'(-5, 0)

A square has four equal sides. The distance between two points X(x_1,y_1)\ and\ Y(x_2,y_2) is:

|XY|=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Hence:

|A'B'|=\sqrt{(0-0)^2+(-5-0)^2} =5

3 0
3 years ago
WILL MARK BRANLIEST TO ACCURATE ANSWER. URGENT ANSWER REQUIRED. ANSWER NOW.
ICE Princess25 [194]

Answer:

It’s D. 4

Step-by-step explanation:

GOOD LUCK HOMIE AND USE A CALCULATO ;)

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