Math
How would I solve this part of the Fibonacci sequence piecewise function? f(n) = f(n-1)+f(n-2) if n > 1. Thanks
Chemistry
4Fe + 3O2 = 2Fe2O3 So in math book it say " You can interpret this equation in terms of representative particles by saying that four atoms of iron react with three molecules of oxygen to produce two formula unit of iron(iii) oxide" Why it say that there are 4 atoms o...
Chemistry
I need to write a balance equation of the decomposition of aluminum carbonate. I know the starting "reactant" is Al2(CO3)3 but would the "product' be 2Al + 3(CO3) ? Thanks
English
Is there a present and past tense of "is" and "are" ? Or it is just how they're used in the sentence that make them past/present tense? Thanks
Chemistry
If I have 50 mL of Lead(II) Nitrate, it is possible for me to calculate how many mole is 1 mL of the substance? Thanks
Chemistry
Because the mass of the reactants equal to the mass of the product of a reaction, the number of moles will be conserved. -I think this is sometime true but I don't know a way to prove that it sometime true. Anyone got an idea ? Thanks
Math
Oh, thanks you so much! I did not realize f(x-3) and (x-3) make such different.
Math
Let say the other function is x-2 , if x < 0 x^2 + 1 , if x >= 0 f(-4) would be -6? I kind of not understand why do we keep going down the value. Thanks
Math
I believed the answer is 16 but computer teacher is telling me it 1. Thanks
Math
Solve the piece wise function when f(17) f(x) = f(x-3)+2 if x > 10 -5 if x <= 10 Would the answer be 1? Thanks
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