Mathelp

This page lists questions and answers that were posted by visitors named Mathelp.

Questions

The following questions were asked by visitors named Mathelp.

Can someone please help me on this question or help me get started. (2x^y+x^-y)^3 = (2x^y+x^-y)(2x^y+x^-y)(2x^y+x^-y) = ??? Now what do I do next? please help and thank you

Answers

The following answers were posted by visitors named Mathelp.

8x^3y+8x^y+2x^-y+4x^y+4x^-y+x^-3y What do I do with the exponents?

Is this correct so far?

They can be congruent from SSS, AAS, SAS, or ASA. SSS because all the sides are congruent and there is a shared side. AAS because opposite angles are congruent, alternate interior angles, and the shared part is a nonincluded side. SAS because all outer si...