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What do you do if, when trying to balance a chemical equation, a polyatomic ion doesn't appear on both sides? I don't know how I can balance the equation without them being on both sides.

I f a store uses a selling price-based markup of 40%, and an item costs  the store \$300, what selling price would the store set for the item?

If something starts out costing \$500, and then is marked down by 25% on each of three separate occasions , what is the final cost? a) \$281.25 b)\$250.00 c) \$210.94 d)\$125.00

Write a polynomial f(x) that satisfies the given conditions.   Polynomial of lowest degree with zeros of 5/3 (multiplicity 2) and - 1/4 (multiplicity 1) and with f(0) = -50   f(x)...

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Answer 28 y(x)1000*0.88   years 0 2 4 8 12 16 now what is the funding for these years

F(x)=-√x  x 0 1 4 9 y.             G(x)=1.5√x x 0 1 4 9. y.         h(x)=√x+2 x 0 1 4 9 y.  What is y for these 3 question

If you were to ask Annemarie Johansen from Number the Stars what her views were on the use of the Confederate flag in modern day America, what do you think she would say and why?

Jim bought a 0.3 L bottle of medicine. The dosage on the bottle is 2.5 mL per 40 kg of body weight.   a.) Jim weighs 176 ibs. What dosage of medicine should he take ? ( 1kg = 2.2 Ibs)   b...

Hello could someone please help me find the extrema on this function:   f(x)= (3/2)sin((πx/2)-1) on the interval [0,4]   I did the first derivative and I think it's f'(x)=...