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Mathematics 18 Online
OpenStudy (anonymous):

Question in relpy

OpenStudy (amistre64):

what are the vs ?

OpenStudy (amistre64):

10P6 ----- 6!

OpenStudy (anonymous):

What is the value of _\[_{10}C_{6}\]

Parth (parthkohli):

I guess he meant 10c6 In general NcR is: \(\Large \color{Black}{\Rightarrow {n! \over (n - r)! \times r!} }\)

Parth (parthkohli):

Amistre has a point.

OpenStudy (amistre64):

10.9.8.7.6.5 ----------- 6.5.4.3.2

OpenStudy (amistre64):

:)

Parth (parthkohli):

It's just the permuation divided by r! ^_^

OpenStudy (anonymous):

the choses are A. 210 B. 5,040 C. 151,200 D. 3,991,680 but when i try to solve it the anser i get is 75,600

OpenStudy (anonymous):

answer*

OpenStudy (amistre64):

what is 10.3.7?

OpenStudy (anonymous):

wait just do 10*9*8*7*6*5 ? not 10*9*8*7*6*5*4*3*2*1 oops

OpenStudy (amistre64):

10.9.8.7.(6.5) ------------ (6.5).4.3.2 10.(9).8.7 ------------ 4.(3).2 10.3.(8).7 ---------- (4.2) 10.3.7

OpenStudy (anonymous):

k. thanks for the help

OpenStudy (amistre64):

i perfer the the (nPr)/r! setup when doing it by hand

OpenStudy (anonymous):

ya lol

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