Chemistry
A sample of gas is confined to a cylinder housed with a movable piston. Initially, the gas occupies a volume of 2.7 L at 6.0 atm and 25°C. Calculate the volume of the gas sample if the pressure is reduced to 1.8 atm and the temperature decreased to 20°C.
Math
A small pizza is of diameter 14 cm and a medium pizza 28 cm. Is a medium pizza twice as large as a small pizza? Use calculations to support your answer. A medium pizza is cut into 3 equal parts, and each part is sold for $15. A small pizza is sold for $12. Which is a better bu...
Math
Calvin hines is a graphic designer. He earns $11.50 per hour. Last wee he worked 7 hours each day, Monday through friday. WHAT WAS HIS TOTAL PAY FOR THIS WEEK?
Math
Davis Thomas is a file clerk. he earns 4.10 an hour he worked 20.5 hours last week. What is his straight time pay?
geometry
find the perimeter of a regular hexagon having sides 5 2/3 inches long
probability and statistics
welsh, davis, burke, and williams (2002) conducted a study to evaluate the effectiveness of a carbohydrate-electrolyte drink on sports performance and endurance. experienced athletes were given either s carbohydrate-electrolyte drink or a placebo while they were tested on a se...
probability and statistics
the average age for licensed drivers in the country is u=40.3 years with a standard deviation of o= 13.2 years. a. a researcher obtained a random sample of n=16 parking tickets and computed an average age of m=38.9 years for the drivers. is it reasonable to conclude that this ...
math
1
math
vickie earns $20,000 a year as a bookkeeper. if she receives a raise of 2%, how could her new total salary be represented? 1. 0.02($20,000) 2. $20,000/0.02 3. 0.02($20,000)+ 0.02 4. 0.02($20,000)+ $20,000 5. $20,000/0.02 + $20,000
math
3
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