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Posts by nehal

Total # Posts: 6

maths
30 and 42

analytical math
rony who is sixteen years old, is four times as old as her brother. How old will Mary be when he is twice as old as her brother?

chemistry
What mass of crystals will form when a hot saturated copper sulphate solution made by dissolving 60 g of copper sulphate crystals in 100 cm3 of water at 60 degree Celsius is cooled to 25 degree Celsius?

Math
The tangents to a parabola with focus (1,2) are x+y=0 and x-y=o. Find the length of latus rectum.

5th Grade Math
8/$744.48=93.06

calculus
reiny is correct

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