2 years ago

Express in the form n : 1 12 : 2

Mathematics

1 answer:

Thepotemich [5.8K]2 years ago

4 0

Answer:

6 : 1

Step-by-step explanation:

Given the ratio

12 : 2 ( divide both parts by 2 )

= 6 : 1 ← in the form n : 1

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If each point in the diagram can act as an endpoint, how many distinct line segments can be formed using the set of points

sdas [7]

Answer:

Option D 6 is the answer.

Step-by-step explanation:

the given points are A, D, C and B. If each point in the diagram can act as end points, we have to calculate number of distinct line segments formed.

This ca be calculated in two ways.

(1) We will form the line segments

AB, AC, AD, BC, BD, DC

Therefore 6 segments can be formed.

(2) By combination method

Number of segments = $^{4}C_{2}$

= $\frac{4!}{2!2!}=\frac{4\times 3\times 2\times 1}{(2\times 1)\times (2\times 1)}$

= $\frac{4\times 3}{2\times 3}=\frac{12}{2}$

= 6

Option D 6 is the answer.

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Musya8 [376]

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2 years ago

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Savatey [412]

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2 years ago

This equation shows how the cost of a charity gala depends on the number of attendees. d = 5.1a + 11.6 The variable a represents

aleksandr82 [10.1K]

$98.30=5.1a+11.6
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