Tuesday
September 30, 2014

Posts by dona


Total # Posts: 11

Math
I need help to set the equation up to solve a system to ensure that I get the answer of (-2, 4)? I also need tosolve two problems in the quadratic equation method, the two problems are x to the second power - 2x - 13 = 0 then the other is x to the second power + 12x - 64 = 0 I...
April 29, 2013

arithmetic
lim_(x->0) (1/x^2-1/(sin^2(x)))
June 14, 2012

college algerbra
2bx3 + 3bx2 − 18bx −27b
September 6, 2011

mes
a solution of sugar in water is 5% by mass. how much sugar is present in 250 gm. of solution?
June 25, 2011

algebra
at 5 p.m., a person 5 feet tall casts a 10-foot shadow. at the same time, a flagpole casts a 40-foot shadow?
June 17, 2011

MATH
Find the product 3[x-(- 1/3+2iã14/3)][x-(-1/3-2iã14/3)]
October 26, 2010

math
how to solve 3[x-(- 1/3+2iã14/3)][x-(-1/3-2iã14/3)]
October 26, 2010

chemistry
How many mililmeters(mL) are in a sample with 2.0L?
November 6, 2009

history
which group did the virginia plan favor ?
April 19, 2008

math check please
the answer for #2 is 15.235
January 6, 2007

WORD UNSCAMBLE
NESMICOOGR
December 9, 2006

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