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solniwko [45]
3 years ago
11

A line passes through the points A(n,4) and B(6,8) and is parallel to y=2x-5. What is the value of n?​

Mathematics
1 answer:
Lady_Fox [76]3 years ago
4 0

The slope of <em>y</em> = 2<em>x</em> - 5 is 2. Parallel lines have the same slope, so the slope of the line through the given points <em>A</em> and <em>B</em> is also 2. This means

(8 - 4) / (6 - <em>n</em>) = 2

Solve for <em>n</em> :

4 / (6 - <em>n</em>) = 2

4/2 = 6 - <em>n</em>

2 = 6 - <em>n</em>

<em>n</em> = 6 - 2

<em>n</em> = 4

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3 years ago
Given: 2x^2+3x-5, g(x)=x+9. Find: (fg)(3)
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Answer:

264

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f(x)=2x^2+3x-5

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