02/03/13

Walmart company estimates that the computer they plan to buy in 18 months will cost $4,200.
Walmart company estimates that the computer they plan to buy in 18 months will cost $4,200. How much money should be deposited now into an account paying 5.75 % interest, compounded monthly so... more
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02/02/13

How do i integrate 4x^2/(x^3-8) from 0 to 8
How do I integrate 4x^2/(x^3-8) from 0 to 8 It is an improper integral and I know it diverges but I don't know why  i found u=x^3-8 but am getting stuck after that  
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02/02/13

how to write complex numbers in standard form?
im in math 1314
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02/01/13

derivadas de la funcion y= sen x
que derivadas sales de la funcion y= sen x
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01/31/13

21x^2-49x+6xy-14yHow do you factor by grouping?
21x^2-49x+6xy-14y   Factor by Grouping Steps...
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01/31/13

hi how can i solve it ?-2x+3y-12=0i know that x*y=90
i don't know how to solve it ?
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01/31/13

Is wikipedia now a reliable source to use for academic papers?
I was wondering if I can use wikipedia as a source now that it's so big.
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01/30/13

Use substitution to solve x=4y and 2x+3y=44
Using substitution to solve
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01/30/13

Change decimal to fraction
How do I change a decimal to a fraction
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01/29/13

Can you help me with a math word problem?
The ratio of Jim's money to Peter's money was 4:7 at first.  After Jim spent 1/2 of his money and Peter spent $60, Peter had twice as much money as Jim.  How much money did Jim have at first?
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01/29/13

(y^9)(2y^2)^3
The number following the ^ is an exponent.
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01/29/13

Help me.......
Let a balloon in the Space means space having no air or any external force, a balloon is filled with a higher energetic particles of gas, the structure of the balloon  is just like a... more
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01/29/13

give the answer in 5 second!
let x=(1000000000000000000001)20 then, under root x2+x is equal to what?   only for genius !
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01/28/13

Define a variable and write an expression to represent the number of tents needed.
A camp leader figures that she needs one tent for every three campers, plus a tent for herself.
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01/26/13

Find domain if f(x)=sqrt 2x+6
Find domain if f(x)=square root of 2x+6
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01/24/13

2sinxcosc-cosx=0
Find all solutions 
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01/24/13

Is glass a liquid?
Someone please help with this question for my chemistry class. Is glass a liquid? 
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01/22/13

Probability Question
One card selected randomly from deck. Find odds against drawing a spade greater than 2 and less than 9
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01/17/13

what does the sublevel designations s, p, d, and f specify with respect to the atomic orbitals
what does the sublevel designations s, p, d, and f specify with respect to the atomic orbitals
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01/17/13

Find the point besides the origin where the graph of xy=x+y^2 has a vertical tangent
It's Calculus. Implicit differentiation is used. 
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01/17/13

How do you simplify the following expression by adding (x+2y)(x+2y)
I need help adding this expression I need an example to help.
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01/17/13

A+A - 3A= -2A+22
A + A - 3 A = -2 + 22  
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01/15/13

greatest common factor of 11 and 33
i need help on math 
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01/15/13

1s2 2S2 SP5
1s2 2s2 2p5 what element is represented by the electron configuration
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01/15/13

help me please
What quantity of 75 per cent acid solution must be mixed with a 30 per cent solution to produce 945 mL of a 50 per cent solution?
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