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Ad libitum [116K]
3 years ago
14

Help me out with this question (geometry)

Mathematics
1 answer:
lesya [120]3 years ago
7 0

angle 1 + angle 2 = 180

3x - 5 + 6x + 14 = 180

9x + 9 = 180

9x = 171

9x/9 = 171/9

x = 19

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If y varies directly as x and y=14 when x= 3.5 what is the constant of variation
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Hey there! Direct variation, a concept commonly applied to linear equations.

The constant of variation is a concept which simply refers to the change in y, based on the change in x. If this change is constant, then it is a constant of variation.


You can find the constant of variation (usually referred to as 'k') by dividing any point's y-value by its x-value.


In this instance, we have the point (3.5, 14)

14 / 3.5 = 4


The constant of variation for this equation would be 4.

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