Thursday
December 5, 2013

# Posts by aj

Total # Posts: 254

chemistry
How many moles of Ca(NO3)2 are needed to make 0.250 liters of a 0.200 M Calcium nitrate solution?

algebra
Joseph always throws change into a can and takes it out every two weeks. This time it is all nickels and dimes. There are six times as many dimes as nickels, and the value of the dimes is \$4.95 more than the value of the nickels. How many nickels and dimes does Joseph have. (p...

calculus
Let f be the function given by: f(x)=1/5x^5/2+x^-1/2, for all x in [1,4]. Find the length of the graph of f.

Math
A wire is stretched from the top of a 12-foot pole to a stake in the ground and then to the base of the pole. If a total of 20 feet of wire is needed, how far is the stake from the pole (the answer is NOT 16)

37 and 15

algebra
A man invested half of his money at 5%, one-third of his money at 4%, and the rest of his money at 5.5%. If his total investment income was \$570, how much had he invested? and please show me the solution to solve this problem. thanx sorry bobpursly I cant understand your solut...

algebra
A man invested half of his money at 5%, one-third of his money at 4%, and the rest of his money at 5.5%. If his total investment income was \$570, how much had he invested? and please show me the solution to solve this problem. thanx

government
Which institution developed outside the limits of the written Constitution of the United States?

math
add 3yds, 16 inches,+ 6yds, 54 inches

algebra
the number of people the school can hold is at most 200. how can i present this in inequality is this correct x=<200

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