Odessa

The perimeter of a recatangle is twice the sum of its length and its width. The perimeter is 16 meters and its length is 2 meters more than twice its width.What is the length?

The ratio of men to women in a certain factory is 3:4. There are 210 men. How many workers are there?

Elena's daughter sold 120 boxes of girlscout cookies. She was told that this amount represented 5% of the troops sale. How many boxes did the troop sell?

The vote count for candidate A was 7,310. The votr count for candidate B was 14,190. Only two candidates were running. What percent of the voters voted for candidate A?

A fund drive announces that that it has raised $3,276 which is 70% of its goal. How much more must be raised? Can you show me how to do this?

A company gives raises once a year. Amir's present salary is $12,000. His manager would like to raise his salary to $84,000. What percentage raise would he be recieving.

The ratio of men to women in a certain factory is 3:4. There are 210 men. How many workers are there?

Answer is 280 x = (4/3) * 210 = 280

how to find erf??? ??? error function(z)

Depending on which type of solid you are talking about; for instance, with a pyramid, take one side of it and find everything you need (i.e. side lengths, angle degrees) then multiply the number you got by using the Pythagorean theorem, by how many other...

Assuming 100% efficient, there must be a zero internal resistance. P=VI (12V)(80A) =960 W E=Pt Let E be Q which is the heat energy t=60s Q=Pt =(960)(60) =57600 J To solve for delta T, we use the equation: delta T=Q/cm covert 0.2kcal/kg K to J/kg K so the...