statistics
1. On final examination in Business Law, the mean was 68 and the standard deviation was 12. Determine the standard scores of students receiving marks of 50?
geometry
An angles measure is 3 times of its complement. find the measure of the angle and the measure of its complement.
calculus
A container company is tasked to make an open-top rectangular box with a square base. The box must have a volume of 108cm^(3). let the length of the sides of the square base be x cm and the height h cm. (1) what value of x will produce the minimum outer surface area? (2) What ...
Science
Of the three local winds, which do you think could be easily harnessed for the generation of electricity by a huge wind farm and why? Land and Sea Breezes,Mountain and Valley Breezes or Chinook and Santa Ana Winds.
chem
at 40 degree C , the vapour pressure of water is 55.3 mm of hg. calculate the vapour pressure at same temp. of 10%aques solution of urea??
geometry
How do you find the perimeter of a regular dodecagon whose side is 12cm
math
How long will it take a given quantity of carbon-14 to lose 99.9% of its radioactivity if the half life is 5730 years? The formula I have been given is Q=ae^rt This is using log and ln functions.
physics
The temperature of 4.60 mol of an ideal monatomic gas is raised 15.0 K in an adiabatic process. What are (a) the work W done by the gas, (b) the energy transferred as heat Q, (c) the change ΔEint in internal energy of the gas, and (d) the change ΔK in the average kin...
physics
An ideal monatomic gas initially has a temperature of 338 K and a pressure of 6.96 atm. It is to expand from volume 435 cm3 to volume 1310 cm3. If the expansion is isothermal, what are (a) the final pressure (in atm) and (b) the work done by the gas? If, instead, the expansion...
physics
An ideal monatomic gas initially has a temperature of 338 K and a pressure of 6.96 atm. It is to expand from volume 435 cm3 to volume 1310 cm3. If the expansion is isothermal, what are (a) the final pressure (in atm) and (b) the work done by the gas? If, instead, the expansion...
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