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cricket20 [7]
3 years ago
10

How many different menus can be made showing 5 main courses from 15 choices?

Mathematics
2 answers:
Vedmedyk [2.9K]3 years ago
6 0
The answer should be three
SashulF [63]3 years ago
3 0
The answer is three
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Answer:

let ratio 6:4:2 be 6x,4x and 2x

we have

6x+4x+2x=180 sum of interior angle of the triangle is 180

12x=180

x=180/12=15

Step-by-step explanation:

missing Angle are

6x=6×15=<em><u>9</u></em><em><u>0</u></em><em><u>°</u></em>

4x=4×15=<em><u>6</u></em><em><u>0</u></em><em><u>°</u></em>

2x=2×15=<em><u>3</u></em><em><u>9</u></em><em><u>°</u></em>

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