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mafiozo [28]
3 years ago
11

Math help please i will mark you brainliest

Mathematics
1 answer:
Finger [1]3 years ago
4 0

The line of best fit is a line that follows the direction of the dots. It doesn't have to be perfect, it's just a general line to represent the data. Sometimes there isn't a line of best fit (if there is no correlation). It normally touches most of the dots.

The slope is about 1/2 and the point where the line touches the y axis is at 40 so that means an equation could be y = 1/2x + 40

When the advertising expenditure (x value) is 18,000, substitute it into the equation above.  y = 1/2(18,000) + 40 which equals y = 9,040 . This is the expected revenue.

Hope this helps!

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Answer:

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Step-by-step explanation:

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Crank

Answer:

The correct answer is option D. 69°

Step-by-step explanation:

Points to remember

1). The sum of angles in a linear pair is 180°

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From the figure we can see a triangle in which two exterior angles area given.

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from figure we get,

n = (interior angle of 131°  + interior angle of 160°)

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il63 [147K]

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Step-by-step explanation:

Because....

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* Hopefully this helps:) Mark me the brainliset:) if this is helpful.

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Rudiy27

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