- N=37, ∑x²=370, ∑x=90 solve variance and standard deviation?

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The variables x and y vary inversely, and y=20 when x=-14. Write an equation that relates x and y. Then find y when x=-4.? What are the significant of collagenase in milk ? Take 4 homologous chromosomes through meiosis? Given F(x)=3x^2 - 4, find the missing values in the table of solutions. [x] [0][-3][ ][ ]
[F(x)][ ][ ][8][5] x= -4?
x= 23?
F(x)=?
F(x)=? For the reaction 2Na+2H2o—>2NaOH+H2 how many Grams of sodium hydroxide are produced from 3.0 moles of water?