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Answers by mary
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mary
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User mary
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User mary
Recent activity
All questions
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i weigh 3kg more than my brother.our total weigh is 155.how much does my brother
answered
May 14, 2012
in
Algebra 2 Answers
|
1.8k
views
(3+i)(3-i)(4+5i)
answered
May 14, 2012
in
Pre-Algebra Answers
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755
views
power of i
Find the second derivative for 5x^3+7x^2+6x
answered
May 14, 2012
in
Calculus Answers
|
1.4k
views
5x^3+7x^2+6x
What is three fourths multiplied by twelve over twenty one?
answered
May 14, 2012
in
Fraction Problems
|
913
views
fraction problems
algebra problems
6 divided by 1/3
answered
May 14, 2012
in
Factors of a number
|
2.8k
views
how do i solve 5y-14=16
answered
May 14, 2012
in
Algebra 2 Answers
|
749
views
solving equations
solve for x
algebra problems
how do i solve 10y-3x=-41, 3x-5y=16 using substitution and or elimination?
answered
May 14, 2012
in
Algebra 1 Answers
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1.4k
views
substitution
and or elimination
simplify (x^3)^7
answered
May 14, 2012
in
Algebra 2 Answers
|
768
views
simplifying expressions
31-y+4y-18+6y, what is the simpified expression?
answered
May 14, 2012
in
order of operations
|
824
views
combining like terms
order of operations
solve each system by substitution
answered
May 14, 2012
in
Algebra 1 Answers
|
818
views
solving systems of equations by substitution
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