09/16/13

An object is falling at a rate that is 60% of the acceleration of gravity....
An object is falling at a rate that is 60% of the acceleration of gravitytherefore it is pressing down on anything below it with:A> 100% of its massB> 60% of its massC> 140% of its... more
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09/15/13

I need help on integration problems
∫cos4 θ sin θ dθ
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09/15/13

Assume that each deposit is made at the end of every year.
You plan to retire in 30 years and decide to save $10,000 per year. If the interest rate is 6% compounded monthly, how much will you have in 30 years? Assume that each deposit is made at the end of... more
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09/15/13

what would the single payment be?
You are supposed to make three payments, $550 in 4 months, $780 in 11 months, and $300 in 20 months. If you want to discharge your debt in 15 months with a single payment and the interest rate is... more
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09/15/13

Use the Banker’s rule!
Starting with $2,000 on March 3, you deposit $500 23 days from March 3, withdraw $800 69 days from March 3, and deposit $600 121 days from March 3. If your final balance is $2,458 150 days from... more
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09/14/13

Please help me with this math problem?
Express the general solution of x'=(1, 2, 3, 0, 1, 2, 0, -2, 1)x in terms of real-valued functions. (this is 3x3 matrix, 1, 2, 3 on the left, 0, 1, 2 in the middle, 0, -2, 1 on the right.) Please... more
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09/14/13

what is the charge in coulombs of the nucleus of a copper atom
principles of electric circuit , electron flow version
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09/13/13

Please help me with this math problem?
Express the general solution of x'=(2, 9/5, -5/2, -1)x in terms of real-valued functions. (this is 2x2 matrix, 2 and 9/5 on the left, -5/2 and -1 on the right. I know that the roots are 1/2+3/2i... more
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09/12/13

complex number
express in a+ib form, (1+i)2/3-i
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09/12/13

algebra complex number
solve z7 =1
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09/12/13

courts that take over the decision of other courts are.?
i dont remember
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09/12/13

matrix method
solve the equation by matrix method:- x+2y-3z=4 2x+4y-5z=12 3x-y+z=3
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09/11/13

Please help me with this math problem?
Express the general solution of x'=(3, 4, -2, -1)x in terms of real-valued functions. (this is 2x2 matrix, 3 and 4 on the left, -2 and -1 on the right.)    
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09/11/13

the physical and chemical properties of elements should be most similar within the same?
a. period   b. group   c. quantum level   d. oxidation state     I figured it would was b. group
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09/11/13

what is basic unit of volume in the metric system
a. kilo   b. millimeter   c. decimeter   d. centimeter    
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09/10/13

Please help me with this math problem?
Solve x'=(1, 0, -1, 1, 2, 1, 2, 2, 3)x, x(0)=(2, 0, 1). (this is 3x3 matrix IVP problem, 1, 0, -1 on the left, 1, 2, 1 in the middle, 2, 2, 3 on the right.)   I know that the 3 roots are 1, 2, 3.... more
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09/09/13

Solve the puzzle?
  ABCDxD=DCBA
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09/09/13

how do you graph a parabola
8y(squared)=x(squared)
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09/09/13

How to factor this?
  -x^3+6x^2-11x+6=0
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09/08/13

Can you solve this?
Solve x'=(5, 3, -1, 1)x, x(0)=(2, -1).   I know that the eigenvalues are 2, 4. And the eigenvector for 2 is (1, 3) and for 4 is (1, 1). But how do I find the numbers in front of these 2... more
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09/08/13

Find the general solution?
Find the general solution of x'=(1, 1, 2, 1, 2, 1, 2, 1, 1)x. (this is a 3x3 matrix, 1, 1, 2 on the left, 1, 2, 1 in the middle, 2, 1, 1, on the right, please show your work step by step.)
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09/06/13

Graphing/function help!!
I cannot seem to get y by itself and make it work in a graph. I need to determine whether the following is a function: y^2=3x^2-4x-8. Can someone help explain how to get y by itself so I am able to... more
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09/05/13

what is the size of the moon in milimeters? (area)
I have a school project and I need to know the answer.
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09/05/13

How much time?
A pickup truck moving at 28 m/s must come to a stop in a distance of 191 meters to avoid hitting a boulder that has fallen onto the road. How much time does the driver have to avoid an accident?
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09/05/13

How far does it travel?
A car accelerates uniformly from rest to a final speed of 19 m/s in 10 seconds. How far does it travel during this period of acceleration?
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