Determine driving time each day on trip
Ariana took 2 hour longer to drive 360mi on first day of the trip than she took to drive 270mi on second day. If her speed was same on both days, determine driving time each day?
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The paddleboat can travel 60 miles upstream in same time it takes to travel 140 miles downstream. If current of river is 10 miles per hour, compute speed of paddleboat in still water?
The equation h= -16t^2 + 112t provides height of the arrow, shot upward from ground with the initial velocity of 112ft/s, where t is time after arrow leaves ground.
Runner B is originally 5.0 km east of flagpole and is running with the constant velocity of 8.0 km/h due west. Find the distance of two runners from flagpole when the paths cross?
Determine a 95% Confidence Interval for the Proportion of those stiudents who will fill in the course and instructor evaluation report this semester for STAT 319. Alos interpret your confidence interval.
A sample of 12 radon detectors of a certain kind was selected, and each was exposed to 100 pCi/L of radon. The resulting readings were as follows:
A polygraph machine detects lies 65% of the time. But it incorrectly flags the true statement as a lie 15% of the time.
A sample of 12 random detectors of a certain type was selected, and each was exposed to 100 pCi/L of radon. The resulting readings were as follows:
Determine time interval (0, t) on which both funds are equivalent and determine equivalent level force of interest? on the interval period of time.
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