Solve for x. Please look at the picture and answer it. Thank you.
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The equation for the line of best fit, the good approximation for x when f(x) = 30 is 20.
Given that
The equation for the line of best fit is f(x) = 1.8x − 5.4 for the set of values in the table.
A 2-column table with 7 rows.
The first column is labeled x with entries 4, 5, 6, 6, 8, 9, 10.
The second column is labeled f(x) with entries 5, 2, 5, 6, 8, 7, 18.
We have to determine
Using the equation for the line of best fit, what is a good approximation for x when f(x) = 30?
According to the question
The quadratic regression equation can be expressed as;
Then,
The approximation for x when f(x) = 30 is,
Hence, the equation for the line of best fit, the good approximation for x when f(x) = 30 is 20.
To know more about the Quadratic equation click the link given below.
1 liter = 1000 milliliters so we can find it out by taking 1000 ml and subtracting 375 ml from 1000 milliliters. 1000 - 375 = 625 milliliters left. Also, if they want the answer in liters, we can find this out since we know that 1 liter = 1000 milliliters.
Answer in liters and percent
This is saying we have .625 of a liter left or we have 62.5% left
Answer in liters and percent
hence
now you just simplify the fraction