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Ne4ueva [31]
3 years ago
12

What do u get when u double 15

Mathematics
2 answers:
garri49 [273]3 years ago
5 0
Um 15+15 equals 30 so 30
Svetach [21]3 years ago
4 0
Answer- 30

explanation- 15+15=30
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12x-20y=108 3x+ky=27 what is k
Sedaia [141]

Let's look at the second equation and try multiplying it by 4:

4 * (3x + ky) = 4 * 27

Which gives us:

12x + 4ky = 108

This looks almost exactly like the first equation except that instead of -20y, there is 4ky. We could try making them equal to each other and solving for k:

-20y = 4ky

-20 = 4k

k = -5

Then, the answer is k = -5.

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3 years ago
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4 0
3 years ago
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What are the coordinates of the image of vertex R after a reflection across the y-axis? (–4, 3) (4, –3) (–3, –4) (3, 4)
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(–4, 3) (4, –3) (–3, –4) (3, 4)

this is a rather simple yet complex concept the easiest way to solve these is to do the exact opposite.

so in this instance it is refrcted across the y-axiss so we swap ONLY the x value NOT the Y ie (-4,3) would switch to (4,3)

same thing would apply if it reflected across x-axis ex (-4,-3)

If it reflect across orgin you change both signs. ex (4,-3)

ie.

(–4, 3) (4, –3) (–3, –4) (3, 4)

changes to

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hope it helps

6 0
3 years ago
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What is the radius of a circle with with circumference 94.2mm?
irakobra [83]

Answer:

14.99mm

Step-by-step explanation:

7 0
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aniked [119]

Answer:

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Step-by-step explanation:

f(x) = -4x + 5.

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= -4x - 8 + 5

= -4x - 3.

Hope this helps!

4 0
3 years ago
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