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i have some questions about cuba that i was wondering about. does econmic growth in cuba need assistence?? does health in cuba need assistence? does forigen relations in cuba need assistence? does personal freedoms in cuba need
asked by matt on April 30, 2014 
Physics
Two particles A and B has the same mass and are being kept on a rough horizontal table "d" distance apart.B is kept still and A is given a velocity of u towards B.After the collision,if A comes to its previous point show that, u^2
asked by Aanya on August 2, 2017 
math
So I've been having trouble solving some problems. Mainly problems that look like this 5(t+3)=1+2(t3) what causes problems is the 5 part. I asked my teacher for help, and he gave me a hint, which is to distribute a 1 like
asked by katherine on October 7, 2010 
Algebra
I need help with these two problems. I need to have all of the steps shown for full credit and I get lost along the way. 6x  2y = 10 4x + 3y = 12 solve the system by elimination. solve inequality 2(2x6)4x>or equal to 3x10 + 9
asked by aria on June 9, 2011 
CALC 2
Let an = Hn  ln(n), where Hn is the nth harmonic number Hn = 1 + 1/2 + .... + 1/n a. Show that an > 0 for n>= 1 (Hint: show Hn >= integral from 1 to n+1 dx/x) b. Show {an} is decreasing by interpreting an  an+1 as a positive
asked by Bae on April 6, 2014 
Calc 2
Question 2 Let an = Hn  ln(n), where Hn is the nth harmonic number Hn = 1 + 1/2 + .... + 1/n a. Show that an > 0 for n>= 1 (Hint: show Hn >= integral from 1 to n+1 dx/x) b. Show {an} is decreasing by interpreting an  an+1 as a
asked by Bae on April 6, 2014 
Chem
I am still having problems this question 2. Review Examples 7.3 and 7.4, as well as the equation for E in the chapter notes. Suppose an e−1 in an H atom has a transition from n = 3 to n = 2. a. Determine the energy (E) of
asked by Feather on November 1, 2014 
Math
Solve the following system of equations using both substitutio and elimination y=x+4 y=2x4 Do I do what I do with the previous problems
asked by M on January 14, 2015 
Algebra
Which pattern could have been used to create the sequence? 20, –40, 80, –160, 320 Multiply the previous term by –2 Divide the previous term by 2 Subtract 60 from the previous term. Add –60 to the previous term.
asked by Reyrey on April 23, 2016 
Life Orientation
Suggest 5 recommendations on how to address the environmental problems that you have identified in the previous question
asked by Nicola on April 29, 2012