Find the mean.2.2, 8.9, 8.7, 1.9, 5.1

A. 26.80
B. 6.700
C. 5.1
D. 5.36


Answer: D

Mathematics

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Provide an appropriate response.Find a cofunction equivalent to sin.

A. sin 
B. cos 
C. sin 
D. cos 

Mathematics

A group of fun-loving people have decided to play a practical joke on one of their friends, but they can't decide which friend, Alice (A), Betty (B), or Connie (C). Their preferences are: (CAB) (BAC) (ABC) 7 6 5 ? Who wins the election using the Hare method? Does this violate the Condorcet criterion? ?

A. Betty, Yes B. Alice, Yes C. Connie, No D. Betty, No E. Connie, Yes

Mathematics

Solve by completing the square.z2 + 18z = -66

A. {9 +  }
B. {-18 +  }
C. {9 ±  }
D. {-9 ±  }

Mathematics

Solve the application.A sports cooler contains 4 gallons of liquid. If a basketball team drinks 2 cups during a game, how much liquid is left in the cooler?

A.  gallons
B.  gallons
C. 2 gallons
D. 6 gallons

Mathematics