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Levart [38]
3 years ago
7

What does /12/+/-2/ egual and explain how

Mathematics
1 answer:
aksik [14]3 years ago
5 0

/12/+/-2/

the absolute value of any number is always positive

12+2

add the numbers

=14

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Answer:

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Which of the following transformations will result in an image that maps onto itself
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The transformations that maps image onto itself are D) reflect over the y axis and then reflect again over the y axis.

Complete question

Which sequence of a transformation will result in an image that maps onto itself? A) rotate 180 degrees counterclockwise and then reflect across the x axis b) reflect over the y axis and then reflect over the x axis c) rotate 180 degrees counterclockwise and then reflect across the y axis d) reflect over the y axis and then reflect again over the y axis

Step-by-step explanation:

Reflecting a figure across the y axis then repeating the same procedure will take you to the original position. This means mapping the figure onto itself.When coordinates(x,y) are reflected on the y axis the image coordinates are (-x,y) thus repeating this will form the second image coordinates as (x,y).

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-BARSIC- [3]

Answer:

w = 7 cm

Step-by-step explanation:

Volume = 252 cm³

Height, h = 3cm

Let width = w

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Volume of rectangular prism, V = l * w * h

252 = (w + 5) * w * 3

252 = (w + 5) * 3w

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3 years ago
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The angle of depression from point A to point C.

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According to angle sum property, the sum of all interior angles of a triangle is 180 degrees.

In triangle ABC,

m\angle A+m\angle B+m\angle C=180^\circ

66^\circ+90^\circ+m\angle C=180^\circ

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We know that if a transversal line intersect the two parallel lines, then alternate interior angles are equal. So, the angle of depression from point A to point C is equal to the measure of angle C in triangle ABC.

Therefore, the angle of depression is 24 degrees.

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