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vampirchik [111]
3 years ago
14

What is the first step that shows an error in the solution to the equation

Mathematics
2 answers:
Sever21 [200]3 years ago
4 0
If they equal then we know our solution is correct .if not then our solution is wrong
Vaselesa [24]3 years ago
3 0

The correct way to do this is,

DO THE FIRST EQUATION FIRST SO THAT YOU DONT GET OVER WHELMED.

STEP1:  3x+4-4=3x              -2-4= -6

STEP2: 3x-6

Now, divide both sides by 3.

STEP3: 3x/3        -6/3

STEP4: x=-2


<u>SO your answer will be x=-2.</u>

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i think a

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The expression -2(x-4) is the same as?​
Tomtit [17]

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-2x + 8

Step-by-step explanation:

I applied the distribution technique to the original question.

5 0
3 years ago
A triangle is dilated by a scale factor of 1/5 and then rotated 90 degree clockwise about the origin. Why is the image similar t
yan [13]
<u><em>Answers:</em></u>
The corresponding angles of the triangles are congruent
The image is a reduction of the pre-image
Neither the dilation nor the rotation change the shape of the triangle

<u><em>Explanation:</em></u>
<u>For shapes to be similar:</u>
1- there should be a ratio between the sides
2- angles in first shape should be congruent to angles in second shape

Now, a scale factor of 0.2 means that the sides of the image are 0.2 of the length of the original shape. However, angles are not changes

<u>Let's check the choices:</u>
<u>1- </u><span><u>The corresponding sides of the triangles are congruent:</u>
This option is incorrect as dilation changes the lengths of the sides

<u>2- </u></span><span><u>The corresponding angles of the triangles are congruent:</u>
This option is correct as neither dilation nor rotation alters the measures of the angles

<u>3- </u></span><span><u>The corresponding sides of the image are 5 times as long as those of the pre-image:</u>
This option is incorrect as the sides of the image are only 0.2 times as long as those of the pre-image

<u>4- </u></span><span><u>The image is a reduction of the pre-image:</u>
This option is correct as the sides of the image are 0.2 times those of the pre-image which means that the shape is reduced

<u>5- </u></span><span><u>Neither the dilation nor the rotation change the shape of the triangle:</u>
This option is correct as both dilation and rotation are rigid transformations that do not alter the shape of the triangle (a triangle remains a triangle only with different side lengths)

<u>6- </u></span><u>The rotation reduces the size of the triangle:</u>
This option is incorrect as rotation does not alter the size of the shape. It only changes its position

Hope this helps :)

3 0
3 years ago
Read 2 more answers
Triangle ABC is transformed to obtain triangle A′B′C′:
GaryK [48]

Answer:

327

Step-by-step explanation:

7 0
3 years ago
A shipping crate is shaped like a rectangular prism. It is 5 1/2 feet long by 3 feet wide by 3 feet high. What is the volume of
Andrej [43]
Volume = Length x width x height 
Volume = 5 1/2 x 3 x 3 = 49.5 cubic feet
6 0
3 years ago
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