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Snowcat [4.5K]
3 years ago
8

What is the equation of the line that passes through the point (6,14) and is parallel to the line with the following equation? y

=-4/3x -1
Mathematics
1 answer:
Gekata [30.6K]3 years ago
5 0

Answer:

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

Step-by-step explanation:

Hi there!

<u>What we need to know:</u>

  • Linear equations are typically organized in slope-intercept form: y=mx+b where <em>m</em> is the slope and <em>b</em> is the y-intercept
  • Parallel lines always have the same slope (<em>m</em>)

<u>Determine the slope (</u><em><u>m</u></em><u>):</u>

<u />y=\displaystyle-\frac{4}{3}x -1<u />

The slope of the given line is \displaystyle-\frac{4}{3}, since it is in the place of <em>m</em> in y=mx+b. Because parallel lines always have the same slope, the slope of a parallel line would also be \displaystyle-\frac{4}{3}. Plug this into y=mx+b:

y=\displaystyle-\frac{4}{3}x+b

<u>Determine the y-intercept (</u><em><u>b</u></em><u>):</u>

y=\displaystyle-\frac{4}{3}x+b

To find the y-intercept, plug in the given point (6,14) and solve for <em>b</em>:

14=\displaystyle-\frac{4}{3}(6)+b\\\\14=-8+b\\b=22

Therefore, the y-intercept of the line is 22. Plug this back into y=\displaystyle-\frac{4}{3}x+b:

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

I hope this helps!

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Answer:

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Step-by-step explanation:

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Applying the "FOIL" method of expanding this expression through multiplication, we get:

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2 The value of y is directly proportional
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Answer:

y = 17.5

Step-by-step explanation:

Given that y is directly proportional to x then the equation relating them is

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Written Below.

Step-by-step explanation:

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Sidenote: I hope this helps! :)

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An ice cream store sells 28 flavors of ice cream. Determine the number of 4 dip sundaes.
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Answer:

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Step-by-step explanation:

we know that

<u><em>Combinations</em></u> are a way to calculate the total outcomes of an event where order of the outcomes does not matter.

To calculate combinations, we will use the formula

C(n,r)=\frac{n!}{r!(n-r)!}

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n=28\\r=4

substitute

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3 years ago
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