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ddd [48]
3 years ago
7

True or false, when you reflect across the y-axis, the x-coordinate is multiplied by -1​

Mathematics
1 answer:
kakasveta [241]3 years ago
6 0

Answer:

True

Step-by-step explanation:

The rule for reflecting over the y-axis is (-x,y)

If the coordinate was (3,2) the new coordinate would be (-3,2)

Hope this helps.

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find the scale, k, of H(3,4) if H'(9,12) after going through the transformation (x,y) ---> (kx,ky) centered at the origin
stiks02 [169]

The value of scale k is 3

Step-by-step explanation:

In order to find the scale , we can either divide the coordinates of H' by the original point or compare both the points to find the original ordered pair.

Given

H(3,4)

H'(9,12)

The coordinates of H are multiplied with some integer k to form H'

So,

<u>For x-coordinate:</u>

3k = 9

k = 9/3 = 3

<u>For y-coordinate:</u>

4k = 12

k = 12/4 = 3

Hence,

The value of scale k is 3

Keywords: Coordinate geometry, scaling

Learn more about scaling at:

  • brainly.com/question/4771355
  • brainly.com/question/4786449

#LearnwithBrainly

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3 years ago
If 17 men can complete a work
Vedmedyk [2.9K]
13 people are required to do so
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mr Goodwill [35]
They definitely can be positive they can be negative and they can have an absolute value but I would choose they both can be positive and negative
6 0
3 years ago
Please answer this correctly
pickupchik [31]

Answer:

66.7%

Step-by-step explanation:

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Since 1, 2, 3, and 6 are in the die, that makes 4 out of the 6 numbers.

4/6 can be simplified to .667 or 66.7%

4 0
3 years ago
Read 2 more answers
Represent the following sentence as an equation. 3 times the sum of 12 and a number b. *
Romashka [77]
The correct answer is:
A- 3•12+b

Sum means addition
8 0
3 years ago
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