You research the average cost of a tank of gasoline for a certain type of car for several recent years to look for trends. The t
able shows your data. What is the equation for a line of best fit? How much would you expect to pay for a tank of gas in the year 2019?
Note: The table below shows the average cost for one tank of gasoline, not one gallon.
y = 1.006x + 26.40; $47.52
y = 1.006x + 26.40; $58.92
y = 26.40x + 1.006; $47.52
y = 26.40x + 1.006; $58.92
Note: The table below shows the average cost for one tank of gasoline, not one gallon.
y = 1.006x + 26.40; $47.52
y = 1.006x + 26.40; $58.92
y = 26.40x + 1.006; $47.52
y = 26.40x + 1.006; $58.92
1 answer:
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Answer:
Step-by-step explanation:
For this case in order to select the one admiral, captain and commander, all different. We are assuming that the order in the selection no matter, so we can begin selecting an admiral then a captain and then a commander.
So we have 10C1 ways to select one admiral since we want just one
Now we have remaining 9 people and we have 9C1 ways to select a captain since we want a captain different from the admiral selected first
Now we have remaining 8 people and we have 8C1 ways to select a commander since we want a commander different from the captain selected secondly.
The term nCx (combinatory) is defined as:
And by properties
So then the number of possible way are:
If we select first the captain then the commander and finally the admiral we have tha same way of select
For all the possible selection orders always we will see that we have 720 to select.