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xxTIMURxx [149]
3 years ago
11

The equation of the regression line is Y = 76 + 2x. Which of the

Mathematics
1 answer:
balandron [24]3 years ago
7 0
None of those are shown on the graph.
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A European high-speed passenger train is made up of two first-class passenger cars, five second-class cars, and a restaurant car
Sliva [168]

Answer:

The train can be made up in a total of \frac{8!}{5!2!} ways

Step-by-step explanation:

FIrst, lets assume that all cars are distinct. If that is the case, then, since we have a total of 8 cars, we have

- 8 possibilities for the first car

- 7 possibilities for the second car

- 6 possibilities for the third car

and so on.

So we have a total of 8! = 8*7*6*...*3*2*1 possibilities to make a train.

Now lets take into account that 5 of the cars are identical within each other. Then we could make a permutation of those 5 cars and we wouldnt notice. Hence, the order of the 5 cars of second-class doesnt matter and as a result, we should divide 8! by the total of possible permutations of the 5 second class cars, that it, 5!

We also need to divide the result by 2! = 2, because which first class car came first doesnt matter either. Therefore, the train can be made up in a total of \frac{8!}{5!2!} ways.

8 0
3 years ago
Helpppppppppppppppppppoppp
Komok [63]

Answer:

2.7 L

Step-by-step explanation:

400 mL = .4 L

800 mL = .8 L

1,500 mL = 1.5 L

.4 + .8 + 1.5 = 2.7 L

3 0
2 years ago
Read 2 more answers
The answerand how to do it
AlladinOne [14]
Xian = 56 stamps + 12 per month : 12m + 56
kai = 80 stamps +  8 per month : 8m + 80

when will they have same number of stamps ? set them equal.
m = number of months

12m + 56 = 8m + 80
12m - 8m = 80 - 56
4m = 24
m = 24/4
m = 6.....at 6 months, they will have the same number of stamps.
12m + 56 = 12(6) + 56 = 128
8m + 80 = 8(6) + 80 = 128
They will both have 128 stamps





3 0
3 years ago
Ari bought a car with a loan. She owes $3000 in interest after 6 years. The rate was 3.75%. How much money did she borrow?
Grace [21]

Answer:

she borrowed $800

Step-by-step explanation:

$800 x 3.75% =$3,000

6 0
3 years ago
At the football game, 3 hamburgers and 6 soft drinks cost $27, and 4 hamburgers and 2 soft drinks cost $18. Which two
Readme [11.4K]
41. 0000 is right pick that
5 0
2 years ago
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