2" X 4" Air Stones - 2" X 4" Air Stones - 2" X 4" Air Stones

2" X 4" Air Stones - 2" X 4" Air Stones - 2" X 4" Air Stones Featured Recommendations:

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2" X 4" Air Stones Popular Q&A

Q: 9x^2+20x+5, where y represents the height, in metres, of the ston...
A: I think you mean the equation is y=4.9x^2+20x+5 because that will give a maximum heightTo find A all you have to do is find the vertex and the formula is -b/2a ... Read More »

Q: And also i have a air stone with 3x1x1 dimensions and it on the o...
A: When your tank can finally take 4ppm of ammonia and turn it into nitrate within 24 hours, you will want to do an 80% water change, and then test your nitrates a... Read More »

Q: Differentiation,,,,,,? a stone is thrown and its height is y mete...
A: What is your equation? Is it y = 15x^2/2 - x^2 or 15x^2/(2 - x^2) also what is x, is it time in secs? Anyway whatever is the correct formula differentiate dy/dx... Read More »

Q: A stone weights 3.0 x 10 to the 4th power dynes in air, and 2.0 x...
A: The stone displaces (3 - 2)*10^4 dynes of water = 10^4/g grams mass Tjhe volume of the stone = volume water displaced = 10^4/g cm^3 (water = 1gram/cm^3) The den... Read More »

Q: I have an air pump with 4 small air stones and a water pump to dr...
A: you definitely need to run the hanging bacteriological filter 24/7, for two reasons: 1) this is the source of filtration to keep the water clean, and 2) the bac... Read More »

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