# 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!

**Algebra Please Help**

Thank you...

**Algebra Please Help**

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.

**Algebra Please Help**

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