Thursday
December 12, 2013

# Posts by carolyn

Total # Posts: 139

Science
If oxygen, Carbon dioxide, and xenon gases are heated at 500k with a probable particle speed of 1094 and an average particle speed of 1234, what id the mass of an atom or molcule for each?

precal
De Moivre’s theorem states, “If z = r(cos u + i sin u), then zn = rn(cos nu + i sin nu).” • Verify de Moivre’s theorem for n = 2. a. Provide a correct proof that includes written justification for each step.

trig
sin t /1-cos t - 1+ cos t/sin t= 0

trig
Prove sin 1 cos  1 cos sin  0 1. Show each step of your proof. 2. Provide written justification for each step of your proof. C. If you use sources, include all in-text citations and references in

Principles of Management - Strategic Management
1b,2b,3c4d,5a,6b,7a,8d,9b,10b,11c,12b,13c,14a,15b,16b,17d,18a,19d,20b,

statistics
For the major airlines, 21% of all flights depart at least 15 minutes late with a standard deviation of 5%. Currently, 24% of all American Airlines flights depart at least 15 minutes late. If American wants to be in the top 10% of all major airlines with the FEWEST late depart...

algebra 2
A clock loses 10 minutes each day. How many days will it take to reach a point where the clock will indicate the right time?

Algebra 2
A retail lumberyard plans to store lumber in a rectangular region adjoining the sales office. The region will be fenced on three sides and the fourth side will be bounded by the wall of the office. Find the dimensions of the region if 350 feet of fencing is available and the a...

algebra 2
Minnie and Steve have arectangular swimming pool that is 12 ft. wide and 20 feet long. They are going to build a tile border of uniform width around the pool. They have 160 sq. ft. of tile. How wide should the border be?

maths
Andrew has 7 20c coins and 5 50c coins in his piggy bank. What is the smallest number of coins he might have to shake out to be certain of having 2 50c coins?

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