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Alexxx [7]
3 years ago
14

A container contains 10 diesel engines. the company chooses 8 engines at​ random, and will not ship the container if any of the

engines chosen are defective. find the probability that a container will be shipped even though it contains 2 defectives if the sample size is 8.
Mathematics
1 answer:
lions [1.4K]3 years ago
7 0

Answer:

16/25

Step-by-step explanation:

We just have to find the probability that the 8 non-defects are chosen.

1. Chance first defect is undetected: 8/10 = <em>4/5</em>

2. Chance second defect is undetected: <em>4/5</em>

3. Total probability': 4/5 * 4/5 = 16/25

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ioda
Factor to this equation out, the easiest way is to solve for the two x values that add up to -1 but when multiplied is equal to -6. It should look like this: (x +- ?)(x +- ?). 
The factored out form is then (x - 3)(x +2), because -3 + 2 = -1 and when multiplied together gives -6. 
x - 3 = 0
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x + 2 = 0
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Hope it helps
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3 years ago
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Which inequality is represented by the graph?
Svetlanka [38]
C I think not sure I think tho.
7 0
3 years ago
I know the answer just need the step-by step work
Anna71 [15]

Answer:

  x^2 +18x +80

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Hope this help!

Good luck!

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marta [7]

We can use the Pythagorean theorem to solve for the perimeter of the kite.

a² + b² = c²

3² + 4² = UV²

9 + 16 = UV²

25 = UV²

√25 = √UV²

5 = UV

In the kite, adjacent sides are the same so UV = VW

3² + 9² = UX²

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90 = UX²

√90 = √UX²

9.49 ≈ UX or 3√10 ≈ UX

Now, add to find the perimeter.

5 + 5 + 9.49 + 9.49 or 5 + 5 + 3√10 + 3√10

28.98 or 10 + 6√10

Therefore, the perimeter is approximately 28.98 or 10 + 6√10

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Step by step equation
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