Use the method of writing each premise in symbols in order to arrive at a valid conclusion.Hard workers sweat.Sweat brings on a chill.Anyone who doesn't have a cold never felt a chill.Anyone who works doesn't have a cold.Therefore, ...

A. Hard workers don't get colds.
B. Anyone who has a cold works hard.
C. Hard workers don't go to work.
D. Anyone who sweats works hard.

Answer: C

Mathematics

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Provide an appropriate response.A baseball is hit when it is 2.9 feet above the ground. It leaves the bat with an initial speed of 150 ft/sec, making an angle of 22° with the horizontal. Assuming a drag coefficient find the range and the flight time of the ball. For projectiles with linear drag: x = x0 + (1 - e-kt)cos ?, y = y0 + (1 - e-kt)sin ? + -21.0px;" />(1 - kt - e-kt)where k is the drag coefficient, v0 and ? are the projectile's initial speed and launch angle, and g is the acceleration of gravity (32 ft/sec2). A. Flight time = 3.47 sec; range = 395.3 feet B. Flight time = 3.7 sec; range = 406.2 feet C. Flight time = 3.35 sec; range = 384.0 feet D. Flight time = 2.55 sec; range = 375.3 feet