Thursday
December 12, 2013

# Posts by Donald

Total # Posts: 93

chemistry
Calculate the grams of K2CO3 required to prepare 546.0 mL of a 0.789 g/L K+ solution.

analytical chemistry
Calculate the volume (mL) of 2.81 M magnesium phosphate solution require to prepare 43.20 mL of 2.1000 %w/v solution of Mg3(PO4)2 . [Answer in 3 decimal places].

physics
a man swings his child in a circle of radius .75 meters. if the mass of the child is 25 kilograms and the child makes one revolution in 1.5 seconds, what is the magnitude and direction of the force that must be exerted by the man on the child?

maths
The hypothetical finance ltd has structured a hire-purchase deal. The required to make a down payment of 20 percent of the investment cost. The hire term is four years with quarterly payment in advance. The flat rate of interest is 13 percent. The finance company would charge ...

maths
The hypothetical finance ltd has structured a hire-purchase deal.The required to make a down payment of 20 percent of the investment cost.The hire term is four years with quarterly payment in advance . The flat rate of interest is 13 percent. The finance company would charge a...

math
What is the LCM AND GCF OF 369 AND 3075

math
-x+5y=1 2x+4y=-4

math
3x+y+2z=1 x+2y-z=-8 3x-y-3z=18 after I isolate x what is the 2nd equation

algebra2
select one factor of x^2 +16x+63

math
two dice are rolled. their sum is recorded. what is the probability that their sum is between five and ten?

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