02/27/13

-16=(x+3)^3(x^2)
I need help on solving this equation to find x.
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02/23/13

write 1/n as the sum of 2 unit fractions
what do they mean?
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02/22/13

If x^2 + y^2 = 70 and 8xy=40 what is the value of (x +y)^2?
If x^2 + y^2 = 70 and 8xy = 40 what is the value of (x + y)^2
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02/21/13

how o I draw a bond between O and H atoms and describe the polarity using symbols?
how do I draw a bond between O and H atoms and describe the polarity using symbols? 
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02/20/13

sinh2 x = (-1+cosh 2x)/2
help me prove this please
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02/20/13

Factoring expressions Please help...
(x-1)^3-(x+1)^3
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02/18/13

I've been asked to state the function of PbCO3 in this reaction
In the separation of Ru, Ir, Os, Rh and Ag (now AgCl, after dissolution in Aqua regia), how does addition of PbCO3 and HNO3, bring out AgNO3
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02/16/13

I have a linear question
Rob and Juanita are 7.7 miles apart.   If they walk in the same direction Rob will reach Juanita in 11 hours.  If they walk towards each other they meet in 1 hour.  What speed are they walking.
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02/13/13

Find the quotient and remainder using long division for
Find the quotient and remainder using long division for\frac(x^3 -6 x^2 + 13 x -28)(x-4) The quotient is ?The remainder is  -8
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02/12/13

what's 23 / 2 in base 5?
and what's 123 / 2 in base 5 and 11011 / 11 in base 2? i am lost
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02/11/13

Use rational exponents to simplify (^5vab)^25
Use rational exponents to simplify (^5√ab)^25
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02/11/13

find r when p = $800, i = $110, and t = 2 years, 6 months
find r when p = $800, i = $110, and t = 2 years, 6 months
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02/06/13

Find all solutions sin^(2)[x/2]=sin^(2)x
Find solutions between 0 and pi
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02/05/13

Ngoc invests a total of $22,000 in two accounts
Ngoc invests a total of $22,000 in two accounts paying 11% and 14% annual interest, respectively. How much was invested in each account if, after one year, the total interest was $2,810.00.
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02/04/13

Edward deposits $250 each month into a retirement account that pays 6.00% APR (0.50% per month). What is the value of this annuity after 20 years?
Edward deposits $250 each month into a retirementaccount that pays 6.00% APR (0.50% per month). What is the value of this annuity after 20 years?  
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01/29/13

A train, a late passenger, and related velocities - Please help ASAP
A train pulls away from a station with a constant acceleration of 0.37 m/s2. A passenger arrives at a point next to the track 6.1 s after the end of the train has passed the very same point. What... more
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01/28/13

how would you slove this equation? y3-5y2=0
how do you slove this problem? solving equations please help
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01/28/13

Can anyone help me on my Volume Practice Worksheet?
My teache gave us this worksheet with only 4 math problems. We did math problems similar to this in class today but it was not exactly like this. She gave us the base, length, and height and we... more
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01/28/13

how do i solve for a triangle in half with numbers in column a and numbers in column b
draw a triangle put a line down the middle and six lines across in column a the numbers are 5,6,20,3,10,11 and a blank and in column b the numbers are 9,11,39,blank,blank,blank,29
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01/27/13

A cylinder has the SA of 308 cm^2. The height is two times greater than the radius. What is the height of the cylinder?
I'm not sure how to solve this.
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01/27/13

find all complex roots of x^3+x=0
help me please
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01/27/13

simplify expression 9m^2-1/3m+3
simplify expression 9m^2-1/3m+3
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01/26/13

the product of 3 consecutive numbers is 120. what is the second number?
steps in solving this problem?
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01/25/13

On questions such as the area is 3 times the square root of 2 + 5, how would you solve that algebraically?
? My teacher has taught us two different methods to do so, such as foiling and square rooting it in the calculator, then square rooting it again, and square rooting each of the choices until it... more
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01/24/13

2sinx=Square root of 2
Find all solutions 
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