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netineya [11]
1 year ago
6

in how many different ways can 8 people be seated in a circle if 3 people insist on sitting next to each other?

Mathematics
1 answer:
Sidana [21]1 year ago
7 0

The number of ways can 8 people be seated in a circle if 3 people insist on sitting next to each other is 56 ways.

<h3>How to illustrate the information?</h3>

Combinations are also referred to as selections. Combinations implies the selection of things from a given set of things. In this case, we intend to select the objects.

Combination formula

nCr = n! / ((n – r)! r!)

n = the number of items.

r = how many items are taken at a time.

This will be:

= 8! / (8 - 3!) 3!

= 8! / 5! 3!

= 8 × 7 × 6 / 3 × 2

= 5

There can be 56 ways.

Learn more about combinations on:

brainly.com/question/4658834

#SPJ1

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Fantom [35]

Answer:

Option C

Step-by-step explanation:

You forgot to attach the expression that models the cost of the camping trip during the three days. However, by analyzing the units, the answer can be reached.

The total cost has to be in units of $.

There are two types of costs in the problem:

Those that depend on the number of days ($/day )

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If there are 3 days of camping and b students, then you have to multiply the costs that depend on the days by the number of days (3), and the costs that depend on the number of students you have to multiply them by 'b'

So, if the costs that must be multiplied by 'b' are only those that depend on the number of students, the coefficient of b must be:

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Therefore the correct answer is option C:

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The expression that represents the total expense should have a formula similar to this:

y = (3 days) *([\frac{20.dollars}{(day * student)} + \frac{30.dollars}{(student * day)} + \frac{50.dollars}{(student * day)}] b + \frac{200}{day}) + 1050.dollars

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3 0
2 years ago
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kati45 [8]
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2 years ago
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Anybody knows the answer?
soldi70 [24.7K]

Hey!


RS = 15 and RT = 18. Subtract 18 from 15 to get your answer.


18 - 15 = 3


<em>That means your answer is 3</em>


\framebox{Answer = 3}

8 0
2 years ago
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Semmy [17]

Answer:

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Step-by-step explanation:

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5 0
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blagie [28]

Answer:

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Step-by-step explanation:

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For your sector, the area is ...

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8 0
3 years ago
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