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Take a Test - loey Green-Google Chrome dlu? ? Secure I https://wwwmatha.com/Student/ PlayerTestaspxhestest75096317&centerwT; ARCC-2018 Spring-Math 1200-03- Dickie att Quiz: Quiz 16 RAM This Question: 1 pt 8 of 10 ro completey List ali the combinations of 7 objects pqrstu and v taken 2 at a time. What is C 2)? Chooss the corect answer below ?? tpa, pr, psptpupv qi: qsgt.qu qvi't ru rv. ts. stay.tu, ty, we) Oc[pq pr ps pt.pup·qi. gs. gt. qu·qvrsitt ns, ri at su: se tu tv.uv tra CT 2):[] ¡Simplify your answer ,

Explanation / Answer

Here the 7 items are

p,q,r,s,t,u and v

so combinations are 7C2 = 7 * 6/2 = 21

tota values are

(p,q), (p,r), (p,s), (p,t) , (p,u), (p,v) ,(q,r), (q,s), (q,t), (q,u), (q,v), (r,s), (r,t), (r,u), (r,v) , (s,t), (s,u), (s,v) , (t,u), (t,v), (u,v)

Option c is correct.

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