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To find the volume of a sphere with a known diameter or radius (which is half the diameter), use the following formula: Asphere = 4/3 pi r3 pi = 3.14 and r = radius For a balloon with a diameter of 12 inches, the radius is 6 inches. Taking that information to the formula, you'll get 25.133 cubic inches (in3).
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How many mylar balloons can a 135 lb helium tank fill?
When filled, party balloons generally have a diameter of 10 to 12 inches. The volume of each size is as follows:10 inch balloon = 523 cubic inches (rounded to the nearest whole number)12 inch balloon = 904 cubic inches (rounded to the nearest whole number) 523 cubic inches = 0.30 cubic feet (rounded to the nearest hundredth)904 cubic inches = 0.52 cubic feet (rounded to the nearest hundredth) Therefore, a 9 cubic foot tank would fill between 17 and 30 balloons of this size.
How many pounds of Helium does it take to fill a 12 inch latex balloon?
It typically takes about 0.5 pounds of helium to fill a 12-inch latex balloon.
Need to fill 30000 gallon tank with water how much roof surface area do you need with one inch rain fall to fill the tank?
To calculate the roof surface area needed to fill a 30,000-gallon tank with one inch of rainfall, you will need to know the collection efficiency of your roof. A common value is around 90%. With that efficiency, you would need a roof surface area of approximately 6,667 square feet to collect enough water to fill the tank from a one-inch rainfall.
How many cubic meters of soil is needed to fill a 8 ft long 4 ft wide 8 inch deep hole?
Volume = 8*4*8/12 = 21.33... cubic feet = 0.604 cubic metres.
How many square feet of 2 inch thick duct insulation are needed for the outside of a 10 ft section of 8 inch x 20 inch duct work?
53.3
How many mylar balloons can a 135 lb helium tank fill?
When filled, party balloons generally have a diameter of 10 to 12 inches. The volume of each size is as follows:10 inch balloon = 523 cubic inches (rounded to the nearest whole number)12 inch balloon = 904 cubic inches (rounded to the nearest whole number) 523 cubic inches = 0.30 cubic feet (rounded to the nearest hundredth)904 cubic inches = 0.52 cubic feet (rounded to the nearest hundredth) Therefore, a 9 cubic foot tank would fill between 17 and 30 balloons of this size.
How many pounds of Helium does it take to fill a 12 inch latex balloon?
It typically takes about 0.5 pounds of helium to fill a 12-inch latex balloon.
How many 9 inch diameter balloons could 11 gallons of 125 PSI air fill?
The answer depends on the pressure inside the balloons.
How many 6 inch water balloons will it take to fill an average size school gymnasium?
14000
How many 4 inch tiles are needed to fill 165 square feet?
1485
How many 8 inch by 8 inch blocks needed to fill 1000 square feet?
I think perhaps 2250 blocks .
How many 12 inch blocks are needed to fill a 132 square foot space?
132
How many barrels of water are needed to fill 4800 feet of 10 inch pipe?
480 barrels
How many one inch pebbles needed to fill 187 square feet?
26928 pebbles for the minimum depth.
How many gallons of water are needed to fill a 24 inch by 9 inch by 18 inch aquarium if one cubic foot holds 7.5 gallons of water?
16 and 7/8
How many gallons of water will it take to fill a 12 inch diameter cylinder 104702 feet long?
615,142 gallons of water are needed to fill this cylinder.
How many helium balloons does it take to lift 5 pounds?
At 25 degrees Celsius (77 Fahrenheit) and standard pressure (101.3 kPa) one pound of helium would fill 2768 Liters (731) Gallons It depends on how big you want to fill the balloons, the pressure of the balloons the temperature and a range of other things.
