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riadik2000 [5.3K]
2 years ago
7

Write the equation of a line that is perpendicular to the given line and that passes through the given point. Hurry Please!

Mathematics
1 answer:
mario62 [17]2 years ago
3 0

Answer:

y = 5x + 17    (Answer B)

Step-by-step explanation:

We are given in point slope form the equation of a line:  y - 3 = (-1/5)(x + 2).  Directly from this equation we can find the slope:  -1/5.

The slope of any line perpendicular to the given line is the negative reciprocal of the slope of the given line:  Here it is +5.

Using the slope-intercept formula y = mx + b, we replace y with 7, x with -2 and m with 5, obtaining:

7 = 5(-2) + b, which simplifies to 7 = -10 + b.  Thus, b = 17.

The desired equation is thus     y = 5x + 17    (Answer B)

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Volume is a three dimensional measurement, so the fact that it is 8 times larger tells us each dimension was 2 times larger (2 x 2 x 2=8).  

Area is a two dimensional measurement, so the area would have been 2 x 2 or 4 times larger.  This means the price would be 4 times as much.
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Damm [24]

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Hope this helps!

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