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krok68 [10]
3 years ago
7

Write an equation in slope-intercept form of the line that is perpendicular to the line represented by 8x-4y+9=0 and passes thro

ugh the point at (2, 3).
Mathematics
1 answer:
WARRIOR [948]3 years ago
4 0

Answer:

Step-by-step explanation:

y - 3 = (-1/2)(x - 2)

Solve 8x-4y+9=0 for y so as to find the slope of this given line:

8x + 9 = 4y, or y = 2x + 9/4.  The slope of the given line is 2.  The slope of any line perpendicular to this one is the negative reciprocal of 2, which is -1/2.

Use the point-slope formula:  y - k = m(x - h ).  (h, k) is (2, 3) and m is -1/2.

Then we have:  y - 3 = (-1/2)(x - 2)

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1 dollar = 1.2 euros
MArishka [77]

85 yen are equivalent to 1 euro ⇒ answer O

Step-by-step explanation:

The given is:

  • 1 dollar = 1.2 euros
  • 1 dollar = 102 yen

We need to find how many yens are equivalent to 1 euro

∵ 1 dollar = 1.2 euros

∵ 1 dollar = 102 yen

- Equate the two right sides of 1 dollar

∴ 1.2 euros = 102 yen

- To find 1 euro equals how many yen divide both sides by 1.2

∵ (1.2 ÷ 1.2) euros = (102 ÷ 1.2) yen

∴ 1 euro = 85 yen

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Learn more:

You can learn more about the word problems in brainly.com/question/2119883

#LearnwithBrainly

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