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Crank
3 years ago
7

A homeowner puts a passcode-enabled lock on her front door. To choose a passcode, she must choose a number, a letter from a list

of 5 letters, and then another number.
Number Letter Number
0 A 0
1 E 1
2 I 2
3 O 3
4 U 4
5 5
6 6
7 7
8 8
9 9
How many possible passcodes can she make?
Mathematics
1 answer:
Daniel [21]2 years ago
4 0

Answer:

500

Step-by-step explanation:

I assume each number is from 0 to 9. Also there are 5 letters.

10 * 5 * 10 = 500

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klasskru [66]

Answer:

-0.20

Step-by-step explanation:

Given the data:

Age at auction (x) ____price sold (y)

391

51

32

84

47

104

88

43

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Y:

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95.4

86.3

49.3

80

57

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70

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General formula for a simple linear regression :

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Where ;

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From the result obtained from the calculator :

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This shows that there is a weak negative correlation between the age at auction and the price at which painting is sold. This is because the negative sign means that value of y decreases as x increases or vice versa, however, due to a correlation vale which is closer to 0 than 1 or - 1, we can conclude that the negative relationship between the variables is weak.

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