The scatter plot shows the relationship between a car salesman's average daily sales and weekly earnings. Determine the slope and y-intercept of the line of best fit for this data. I need help on the second part of the first line and Im sure that its one of those two

The scatter plot shows the relationship between a car salesman's average daily sales and weekly ear

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tyjae1601

04.09.2022

Mathematics

The value of x is 7.

Step-by-step explanation:

First, you have to make both fractions into 1 fraction :

$\frac{x}{3} + \frac{x}{6} = \frac{7}{2}$

$\frac{x \times 2}{3 \times 2} + \frac{x}{6} = \frac{7}{2}$

$\frac{2x}{6} + \frac{x}{6} = \frac{7}{2}$

$\frac{3x}{6} = \frac{7}{2}$

Next, you have to do cross-multiplication and solve the value of x :

$\frac{3x}{6} = \frac{7}{2}$

3x(2) = 7(6)

6x = 42

$x = 42 \div 6$

x = 7

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