<span> b
(2a + (2 • —)) - 5c = 0
</span>
7.234 + 3.9 + 6.56
7.234 + 10.46
17.694 (actual)
17.69 (rounded to the hundredths place)
17.7 (rounded to the tenths place)
18 (rounded to the ones place)
Hope this helps! ;)
Using the combination formula, it is found that you can select 2 boys and 5 girls in 2,520 ways.
In this problem, Joao and Elisa would be the same team as Elisa and Joao, hence the order is not important and the <em>combination formula</em> is used to solve this question.
<h3>What is the combination formula?</h3>
is the number of different combinations of x objects from a set of n elements, given by:

In this problem:
- 2 boys are selected from a set of 6.
- 5 girls are selected from a set of 10.
Hence:

You can select 2 boys and 5 girls in 2,520 ways.
More can be learned about the combination formula at brainly.com/question/25821700
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