11/22/12

Physics Question (Too big to fit in this box)
Two blocks on a frictionless horizontal surface are connected by a light string, where m1 = 11 kg and m2 = 22 kg. A force of 80 N is applied to the 22 kg block. (a) Determine the acceleration of... more
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11/19/12

how many gumballs in 1 mole can cover the earths surface in one year
please solve and explain
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11/19/12

3(x+1)^(-2/3)=0
please help me solve for 0
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11/18/12

need help with science
a police officer is chasing a purse snacher down a street the thief starts 9 meters ahead of officer and can run 20meters in 4 seconds the police offocer can run 32 meters in 4 seconds how long... more
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11/18/12

Find the number of ways of obtaining one club when drawing a 7 card hand from an ordinary deck
combination or permutation?
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11/01/12

prove that a square ABCD is half the area of a square ACEF, when the segment AB is half of the segment AE
              F   A______B______E   C______D  
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10/27/12

physics buoyant
a styrofoam ball is attached to the bottom of a swimming pool with a nylon cord.  the cord is 1.20 m long and the pool is 3.3 m.  diameter of ball is 46cm. density of styroforam is 0.3 g/cc. find... more
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10/27/12

the first place after the decimal is the ones place?
What is the percent  of 161 is 23? n*161=23 n*161/161=23/161 n=.142 How do you get the decimal form? and if its a mixed fraction how do you determine that?
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10/26/12

what symbol u can put instead of the questions mark, with the SAME symbol?......(5?5+5?5=11)SAME SYMBOL!!!
this is a pre-algebra math problem, but i have no idea how to do it.... so how can u get 11, with 4 fives, same symbol sign instead of the ?marks, and there's a + sign in between.... 5?5+5?=11
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10/26/12

square root of 60
square root of 60
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10/26/12

what is the volume in milliliters of 0.0100 mol of CH(subscript4) gas at STP?
could not figure out how to add the 4 subscript for CH
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10/23/12

what is the answer to this question: starting at 1:00p.m., the tempature changes -4 degrees per hour. how long will it take to reach -1 degrees?
please help me.  
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10/22/12

I have a 90 degree angle and I need to find all the angle measures and the equation is 4x-2
how do i find all the angle measures of a 90 degree angle with an equation that is 4x-2?
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10/22/12

Determine if the lines are parallel, perpendicular or neither for -y=3x-2 and -6x+2y=6
Are the lines for -y=3x-2 and -6x+2y=6 parallel, perpendicular or neither?  
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10/22/12

-2v+4m-6-5v+2m how do I simplify combine like terms
not sure where to start.
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10/18/12

-9+n=n-1 I am very confused and I need step-by-step help
I have many questions on my algebra homework and I missed a class because I took the PSAT, and I didn't get the notes from anyone. Now I have homework that is due tomorrow and I have no clue how to... more
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10/17/12

I have trouble with this problem. It doesn't seem to make sense.
When a certain chemical is added to water, the water gets hotter. A formula for the water's temperature,t, in degrees Celsius, is t = 24 + 8m, where m is the amount of chemical added, in kilograms.... more
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10/17/12

The relationship between f(x)=-2x+3
The relationship between f(x)=-2x+3, and g(x)=-2x-3
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