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ch4aika [34]
3 years ago
9

Guys, please help me.

Mathematics
1 answer:
yulyashka [42]3 years ago
3 0

Triangle ABC is similar to XYZ

Therefore, c times a scale factor is equal to z

Since c is 12 and z is 18, and we are trying to find the value of a, which is in the smaller figure, the scale factor from big to small is 12/18 or 6/9, Since I want to minimize x's value to get a, the scale factor must go from big to small, which is why the scale factor has to be 12/18 or 6/9. From there, to find a's value, i multiply 27 by 6/9 which is equal to 18. Therefore a=18

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215 is the answer because 78-35 =43 43×5=215

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what is the equation of the line that is parallel to 6x-2y=4+6y and passes through the point (8, -16)?
Alisiya [41]

Answer:

y=\frac{3}{4}x-22

Step-by-step explanation:

We are given;

  • The equation of a line 6x-2y=4+6y
  • A point (8, -16)

We are required to determine the equation of a line parallel to the given line and passing through the given point.

  • One way we can determine the equation of a line is when we are given its slope and a point where it is passing through,

First we get the slope of the line from the equation given;

  • We write the equation in the form y = mx + c, where m is the slope

That is;

6x-2y=4+6y

6y + 2y = 6x-4

8y = 6x -4

We get, y = 3/4 x - 4

Therefore, the slope, m₁ = 3/4

But; for parallel lines m₁=m₂

Therefore, the slope of the line in question, m₂ = 3/4

To get the equation of the line;

We take a point (x, y) and the point (8, -16) together with the slope;

That is;

\frac{(y--16}{x-8}=\frac{3}{4}

4(y+16)=3(x-8)\\4y + 64 = 3x - 24\\4y=3x-88\\ y=\frac{3}{4}x-22

Thus, the equation required is y=\frac{3}{4}x-22

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Answer:

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doodoo

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