Discover Questions

The demand for a particular commodity is given by D(x)=-35x+200; that is, x units will be sold (demanded) at a price of p=d(x) ($ per unit)? Show that the straight lines whose
direction cosines are given by the equations ul+vm+wn = 0 and al2+bm2+cn2 = 0
are
(a) perpendicular? What is dust made of? ORGANIC Chemistry 2 Help! NEED ASAP? What do you predict would happen if there is a worldwide blackout?