# Posts by Amy L

Total # Posts: 9

Math, Intergration
C(T)=0.78125-0.5e^(-0.64T) (T+1.5625) Using this equation, I don't understand 'Intergration by parts' to show this and what it means Any help is appreciated!

Thank you...

If x is 10, is 2/x in proportion to x/50? Why I am not understanding the question very well. Algebra is not easy for me.

Am not understanding this. Could someone please explain to me. If x^2+bx+c is factorable and c is negative, then the signs of the last term factors of the binomials are opposite, why? If x^2+bc+c is factorable and c is positive, then the signs of the last term factors of the ...

Algebra
If x^2+bx+c is factorable and c is negative, then the signs of the last term factors of the binomials are opposite, why? I x^2+bc+c is factorable and c is positive, then the signs of the last term factors of the binomials are the same, Why? Am not understanding this. could ...

Algebra
How can you tell whether a polynomial is written in factor form. Construct a trinomial whose greatest common factor is 2x^2. Am not understanding this...Please help.

Algebra
When solving a system of equations by the addition method, how do you know when the system has no solution?

Algebra
Thank you this does help. But why is the addition method preferred over the substitution method for solving the system 2x-3y=5 5x+2y=6 I got how you got the 19x=38 but whatis the x=2(sorry not good with algebra)

Algebra
Explain why the addition method might be preferred over the substitution method for solving the system 2x-3y=5 5x+2y=6

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