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svet-max [94.6K]
3 years ago
9

A Store-It-All storage facility requires users to enter a four digit code, using numbers 0-9, to get through the gate. You need

to get a box of winter clothes from your storage container, but you forgot the code.
How many possible codes are there if the digits cannot be repeated?

What is the probability that you will guess the correct code on your first try?
P(correct code) = ______

Mathematics
1 answer:
Tems11 [23]3 years ago
5 0
Take me the brayniest.i hope it was helpful

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We are given AB ∥ DE. Because the lines are parallel and segment CB crosses both lines, we can consider segment CB a transversal
ohaa [14]

Answer: AAA similarity.


Step-by-step explanation:  CB is the transversal for the parallel lines AB and DE, and so by transverse property, we have ∠CED ≅ ∠CBA. Similarly, CA acts as a tranversal for the same pair of parallel lines AB and DE and using the same property, we can have ∠CDE ≅ ∠CAB. Now, in triangles CED and ABC, we have

∠CED ≅ ∠CBA,

∠CDE ≅ ∠CAB

and

∠DCE ≅ ∠ACB [same angle]

Hence, by AAA (angle-angle-angle) similarity,

△CED ~ △ABC.

Thus, the correct option is AAA similarity.


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3 years ago
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Which table shows a negative correlation?
Lisa [10]

Answer:

  the last one

Step-by-step explanation:

The first table shows an upward trend (positive correlation).

The second table shows a horizontal line, neither up nor down (zero correlation).

The third table is incomplete, but seems to show as much upward as downward trend, so has a correlation near zero also.

The last table shows a decidedly downward trend, so will have a strong negative correlation.

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<em>Comment on answer choices</em>

The order of answer presentation may vary, so "D" may not be the answer to a different instance of this question.

5 0
3 years ago
1.)­ 3x + 5y = 15 2.) 2x ­ 4y = 2 3.)18x + 12y = 24
DiKsa [7]

1). Answer x= -5/3 y + 5

2.)  x=2y+1

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4 0
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Write an expression equal to <br><img src="https://tex.z-dn.net/?f=%20%7B7%7D%5E%7B3%7D%20" id="TexFormula1" title=" {7}^{3} " a
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Answer:

7×7×7

Explanation:

{7}^{3}  = 7 \times 7 \times 7

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Step-by-step explanation:

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