Find an exponential model for the following data set. Round your answer to two decimal places.
 t 0 1 2 3 y 13.08 11.77 10.59 9.53?

A. ?
B.
C. ?
D. ?


Answer: B

Mathematics

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Solve the problem.Find the center of mass of the solid enclosed between the cone with equation  and the plane with equation  if the density at any point is proportional to the distance from that point to the plane .

A. () = 
B. () = 
C. () = 
D. () = 

Mathematics

Solve the problem.A bullet is fired with a muzzle velocity of 1480 ft/sec from a gun aimed at an angle of 40° above the horizontal. Find the vertical component of the velocity.

A. 951.3 ft/sec B. 1242 ft/sec C. -987.1 ft/sec D. 1134 ft/sec

Mathematics

Solve the problem.Find the length of the curve y = ln(csc x), ?/3 ? x ? ?/2

A. 1 - ln()
B. ln()
C. ln(2)
D. ln( + 1)

Mathematics

Provide an appropriate response.Solve the system of equations using the addition method:2x - 5y = 23x + 4y = 26

A. x = 2, y = 5
B. x = 16, y = 6
C. x = 2, y = 
D. x = 6, y = 2

Mathematics