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Nina [5.8K]
2 years ago
14

A museum worker randomly displays 8 historical writings in a row. What is the probability that the worker lines them up from the

oldest to the most recent from left to right?
A. 1/8p8
B. 8/8p1
C. 8/8p8
D 1/ 8p1
Mathematics
2 answers:
Andreas93 [3]2 years ago
7 0
There are 8! possible combinations, or 8p8, and there is only 1 that has them in order from oldest to youngest, so the answer is A.
mariarad [96]2 years ago
5 0
I think it would be 8/8p1
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3. \displaystyle 1\frac{1}{3} = x

2<em>C.</em> \displaystyle III.

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1. \displaystyle Set-Builder\:Notation: [x|7, 0 ≠ x] \\ Interval\:Notation: (-∞, 0) ∪ (0, 7) ∪ (7, ∞)

Step-by-step explanation:

3. <em>See</em><em> </em><em>above</em>.

2<em>C</em>. The keyword is ratio, which signifies division, so you would choose "III.".

2<em>B</em>. The keyword is percent, which signifies multiplication of a ratio by 100, so you would choose "I.".

2<em>A</em>. The keyword is total, which signifies addition, so you would choose "II.".

1. Base this off of the denominator. Knowing that the denominator CANNOT be zero, you will get this:

\displaystyle x^2 - 7x \\ x[x - 7] = 0; 7, 0 = x \\ \\ Set-Builder\:Notation: [x|7, 0 ≠ x] \\ Interval\:Notation: (-∞, 0) ∪ (0, 7) ∪ (7, ∞)

I am joyous to assist you anytime.

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Step-by-step explanation:

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