The answer is Y equals -7+5x
Answer:
line of best fit: y = -2.9114x + 46.569
Step-by-step explanation:
Plugging in your table into Excel, it turns out that y = -2.9114x + 46.569 provides a better fit of the data points into the line. Please see the attached image for details.
Hope this helps.
Answer:

Step-by-step explanation:
We are given the following in the question:
Quantity, q
Selling price in dollars per yard, p

Total revenue earned =

f(20)=13000
This means that 13000 yards of fabric is sold when the selling price is 20 dollars per yard.
f′(20)=−550
This means that increasing the selling price by 1 dollar per yards there is a decrease in fabric sales by 550.
We have to find R'(20)
Differentiating the above expression, we have,

Putting the values, we get,

Answer:
120cm^3
Step-by-step explanation:
The median is the number in the middle of the data set.
There are 7 numbers, so the 4th number is the median.
(Another method is to eliminate a number on each side until you get to the middle number)
<h2>Answer:</h2>
<u>The median is </u><u>16</u><u>.</u>
I hope this helps :)