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anonymous
 one year ago
An art gallery has 8 new paintings, all the same size, but enough room on the wall for only 6 of them.
How many ways can the director arrange the 8 paintings on the wall?
A.
48
B.
28
C.
20,160
D.
40,320
anonymous
 one year ago
An art gallery has 8 new paintings, all the same size, but enough room on the wall for only 6 of them. How many ways can the director arrange the 8 paintings on the wall? A. 48 B. 28 C. 20,160 D. 40,320

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I think so. You did 8P6?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yea and one sec let me try to explain what i think

anonymous
 one year ago
Best ResponseYou've already chosen the best response.08! / 6!*(86)! = 28 So there are 28 ways in which 6 paintings may be chosen from 8. Each of those 28 can be arranged in 6*5*4*3*2 (720) ways. So the total number of arrangements is 28 * 720 20,160 answer is C

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0solid :) seems like you have this down!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i just needed to be sure thanks. :DD
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