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kvasek [131]
3 years ago
13

There are 25 students. Four of these students are selected to attend four different conferences. The first student selected will

go to
a conference in Makati city, the second will go to Paranaque city, the third to Quezon city and the fourth to Caloocan city. How

many such selections are possible?

256

12,650

303,600

390,625
Mathematics
1 answer:
irina1246 [14]3 years ago
7 0

Answer:

the number of possible selection is 12650

Option b) 12650  is the correct answer.

Step-by-step explanation:

Given the data in the question;

total number of students n = 25

number of student selected r = 4

^nC_r = ²⁵C₄

= 25! / ( 4!( 25 - 4 )! )

= 25! / (4!(21)!)

=  12650

Therefore, the number of possible selection is 12650

Option b) 12650  is the correct answer.

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For any inscribed quadrilateral, the opposite angles add to 180

(angle PMN) + (angle NOP) = 180

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12x-24+24 = 180+24  ..... add 24 to both sides

12x = 204

12x/12 = 204/12 ..... divide both sides by 12

x = 17

angle NOP = 4x

angle NOP = 4*17

<h3>angle NOP = 68 degrees</h3>
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Step-by-step explanation:

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