i’ll give u brainlyist, if u could screenshot and like put ur own lines n dots that would be great
1 answer:
Answer:
y = 4/9x - 4
Step-by-step explanation:
Please see the attached screenshots for solution.
The first step that you should always do is try to transform the linear equation into its slope-intercept form, y = mx + b. Then, try to solve for the intercepts of the line, so that you can have a pair of points to use for graphing.
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Given that, the variable z is directly proportional to x.
So, we can set up an equation as following:
z = kx Where k is constant of variation.
When x= 13, z is 169.
Hence, next sep is to plug in these values in the above equation to get the value of k. Therefore,
169 = k * 13
Divided each sides by 13.
So, k = 13
By plug in k = 13 in the above equation we will get z = 13x.
Now we need to find the value of z when x = 19.
From the above equation we will get:
z = 13 * 19
z = 247
So, z = 247.
I hope this helps you!