Atriangle has sides 45 4/5 meters, 46 2/9 meters, and 48 2/3 meters. what is the perimeter of the triangle in meters express in mixed number and reduce if possible m

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?