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Rudik [331]
3 years ago
10

Ebony is building a shelf to hold the two boxes shown. What is the least width she should make the shelf?

Mathematics
1 answer:
ki77a [65]3 years ago
7 0
There exists the same question from other source that shows the two boxes.

Box 1 has a length of 4/5 feet
Box 2 has a length of 3/4 feet

Because Ebony is trying to find the total amount of space needed to hold the boxes, use addition. 

Here, is the solution:
= 4 / 5 + 3 / 4
= (16 + 15) / 20
= 31 / 20

So, Ebony can make a shelf at least 31/20 feet wide or 1 11/20 feet.

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Kaylis [27]

The probability of picking 2 white balls and 1 black ball is 0.154

<h3>How to determine the probability?</h3>

The given parameters are:

  • Number of balls, n = 20
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  • Black = 8

When each ball is selected, the total number of ball decreases by 1 and the type of ball also decreases.

So, the probability is represented as:

P(2 white and 1 black) = White/n * White - 1/n - 1 * Black//n - 2

Substitute known values

P(2 white and 1 black) = 12/20 * 11/19 * 8//18

Evaluate

P(2 white and 1 black) = 0.154

Hence, the probability of picking 2 white balls and 1 black ball is 0.154

Read more about probability at:

brainly.com/question/251701

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Step-by-step explanation:

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