Sunday
December 8, 2013

# Posts by c

Total # Posts: 324

Algebra 117
Is this equation true or false? Why? ãa+ãb=ãa+b Okay radicals are killing me. Please explain this to me

Algebra
Is this equation true or false? Why? 20-4ã2=16ã2 With like radicands should I add the 4 to the other side of the equation? I'm really lost. Can someone please explain this to me?

math
Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. The two most frequently used measures of central tendency are the mean and median. Compare these two measures for the following characteristics: Take every sco...

physics
Ab = V²/2x = -88²/(2*146) = -26.52 ft/sec² Aa = 2x/t² = 2(5280/4)/19.9² = 6.666 ft/sec² V = √[2ax] = √[2*6.666*5280/4] = 132.658 ft/sec = 90.4 mph t = √[2x/a] = √[2*5280/(4*26.52)] = 9.98 sec

Chemistry
but one of those false true trues are wrong, just don't know which one

Math: partial derivative
z=u(v+w)^(1/2) find ∂^3z/(∂u∂v∂w) what partial derivative am I suppose to be finding exactly? Do I take the derivative of z three times? Please help. Thank you.

chemistry
171kj q=molesx heat of vaporization

Chemistry
p=h/lambda(meters) , E= p^2/2m + 1.659*10^-18, LambdaMax=hc/E

math 12
While training for a race, a runner increases her distance by 10% each day. If she runs 2km on the first day, what will her total distance for 26 days of training?

statistics
Considering that a researcher can test at the <p = .05 (95%), p = .01 (99%), or p = .001 (99.9%) level for statistical significance, how would you use these three levels in relationship to risk to patients in implementing the decisions of your research?

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