Questions Asked on July 26, 2012

Please help exponent questions =[ If 2^x = 10, then 2^2x = If 2a^2 + 3a - 5a^2= 9, then a-a^2=... Asked on July 26, 2012 at 12:06 AM A ladder is 12 metres and leans against a tall wall. The foot of the ladder is 9 metres from the bas... Asked on July 26, 2012 at 12:08 AM how many copies of a book is being sold on harpercollins & Random House since they're one of the wor... Asked on July 26, 2012 at 12:16 AM A box starting from rest, slides down an incline which makes an angle of θ above the horizontal. The... Asked on July 26, 2012 at 12:19 AM A 90.0 kg block and a 40.0 kg block are connected by a rope that passes through two (frictionless, m... Asked on July 26, 2012 at 12:20 AM A 12.0 kg block sits on a frictionless table. On top of this block is placed a 5.00 kg block. The co... Asked on July 26, 2012 at 12:21 AM A prism of glass of index of refraction 1.50 has angle of 45,45,90. A ray of light is incident on on... Asked on July 26, 2012 at 12:23 AM Mass 1 and mass 2 are connected as shown by a massless, non-stretch rope that passes over a massless... Asked on July 26, 2012 at 12:23 AM A block of mass m = 2.00 kg rests on the left edge of a block of mass M = 8.00 kg. The coefficient... Asked on July 26, 2012 at 12:24 AM DOES ANYONE EVEN ANSWER THESE HOMEWORK CHECKS?I have posted 3 or 4 Q/A and no one answers---any othe... Asked on July 26, 2012 at 12:45 AM