Alice, Becky, and Charlie decided to compete in a 225 m run. When Alice crossed the finish line, Becky was 15 m behind her. When Becky crossed the finish line, Charlie was 15 m behind her. How far was Charlie behind Alice when Alice crossed the finish line if all three run at their own constant speed

i think it because equal matrices have equal dimensions, only square matrices can be symmetric. for all indices and . every square diagonal matrix is symmetric, since all off-diagonal elements are zero. in linear algebra, a real symmetric matrix represents a self-adjoint operator over a real inner product space.

absorption lines are where light has been absorbed by the atom thus you see a dip in the spectrum whereas.

emission spectra have spikes in the spectra due to atoms releasing photons at those wavelengths.

explanation:

which three statements are true about all alloys?