Answer:
на странице с уважением Елена отправлено
Step-by-step explanation:
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Answer:
D. 270
Step-by-step explanation:
With the information given you can work your way around the table to fill in the blanks
300-120=180 Red-footed one-headed
180+200=380 total red-footed
650-380=270 total black-footed (answer)
270-120=150 black-footed two-headed
150+200=350 two-headed
First you need to get a common denominator. Which is going to be 10. what you do to the bottom you must do to the top so 2x2 and 5x2 gives you the fraction 4/10 then you add 3/10+4/10which gives you 7/10 as your answer
The difference between the gas prices in 2013 and 2001 is 3.00
<h3>Graphing tool</h3>
See attachment for the graph of the line of best fit
<h3>The equation</h3>
Start by calculating the slope of the line of best fit using:

From the line of best fit, we have:

The regression equation is then represented as:

So, we have:



So, the linear regression equation is:

In 2001, the value of x is 1.
So, we have:


In 2013, the value of x is 13.
So, we have:


So, the difference (d) between the prices is:


Hence, the difference between the gas prices in 2013 and 2001 is 3.00
Read more about linear regression at:
brainly.com/question/17844286
9:6 I think. Because if you subtract 6 from 15 you get 9 and that is how many she needs to finish and she has already finished 6