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Pavlova-9 [17]
3 years ago
6

A bag contains 5 red balls and 6 green balls. You plan to select 2 balls at random. Determine the probability of selecting 2 gre

en balls.
The problem is to be done without replacement. Use combinations to determine the probability
Mathematics
1 answer:
Umnica [9.8K]3 years ago
7 0

Step-by-step explanation:

first pick has probability

\frac{6}{11}

second pick has probability

\frac{5}{10}

combined probability is

\frac{30}{110}  =  \frac{3}{11}

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He completed 2 and 4/5 rows of grapes each hour he worked after completing 140 rows of grapes how many hours had he worked?
algol [13]

Step-by-step explanation:

Divide 140 by 2\frac{4}{5} to represent the amount of hours he worked.

To make dividing easier, 2\frac{4}{5} can also represent 2.8 as a decimal.

\frac{140}{2.8} =50

He has worked 50 hours after completing 140 rows of grapes.

4 0
2 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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Answer and Step-by-step explanation:

Twelve times four squared.

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7 0
3 years ago
There is a pair of parallel sides in the following shape.<br> 9. 5. 3
pogonyaev

Answer:

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5 0
2 years ago
What is the length of the diagonal of a monitor that is 5 inches wide and 12 inches high
DerKrebs [107]

Answer:

so draw out a graph

Step-by-step explanation:

12-                                      

11-

10-

9-

8-

7-

6-

5-

4-

3-

2-

1-

      [          [        [        [        [

      1        2        3       4       5

5 0
3 years ago
Read 2 more answers
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