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What is the surface area of a sphere with diameter 18 CM?
Oh, dude, you just need to find the radius first, which is half of the diameter, so that's 9 cm. Then you use the formula for the surface area of a sphere, which is 4πr^2. Plug in 9 for r, square it, multiply by 4, and then multiply by π. That gives you a surface area of 1017π square cm, or about 3190 square cm. Easy peasy!
Which expression gives the volume of a sphere with a radius 16?
V = 4/3(Pi*r3): A sphere with a radius of 16 units has a volume of ≅17,157.28 cubic units.
What is the volume of a sphere that has a surface area of 49pi square cm?
Well, darling, the surface area of a sphere is given by the formula 4πr², where r is the radius. So, if the surface area is 49π, then the radius squared is 49, making the radius 7 cm. Now, the volume of a sphere is (4/3)πr³, so plugging in a radius of 7 cm gives a volume of 179π cubic cm. Voilà!
Which expression gives the volume of a sphere with radius 7?
V = 4/3(PI*73) ≅ 1,436.76 units3
What is the radius of a sphere if the volume is 523.6cm cubed?
4/3*pi*radius3 = 523.6 Making the radius the subject of the above gives it a value of 5.000003897 or about 5 cm
What is the volume of a sphere with a radius of 3.1?
The formula to calculate the volume of a sphere is V = (4/3)πr^3, where r is the radius of the sphere. Given a radius of 3.1, we substitute this value into the formula: V = (4/3)π(3.1)^3. Calculating this gives us V ≈ 127.6 cubic units.
What is the radius of a circle with an area of 32.1 square feet?
To find the radius of a circle given its area, you can use the formula for the area of a circle, A = πr². Rearranging this formula to solve for the radius gives r = √(A/π). Substituting the given area (32.1 square feet) into the formula, the radius is r ≈ √(32.1/π) ≈ 3.19 feet.
Which formula gives the volume of a sphere with radius 5?
Volume = 4/3*pi*53 = 523.599 cubic units rounded to 3 decimal places
What expression gives the surface area of a sphere with the radius r?
Surface area of a sphere: 4*pi*r^2
What is the surface area of a sphere with diameter 18 CM?
Oh, dude, you just need to find the radius first, which is half of the diameter, so that's 9 cm. Then you use the formula for the surface area of a sphere, which is 4πr^2. Plug in 9 for r, square it, multiply by 4, and then multiply by π. That gives you a surface area of 1017π square cm, or about 3190 square cm. Easy peasy!
What is the radius of a circle with a circumference of 1000m?
The radius of a circle with a circumference of 1000m is approximately 159.15 meters. This can be found using the formula C = 2πr, where C is the circumference and r is the radius. Rearranging the formula to solve for r gives r = C / (2π). Substituting the given circumference into the formula will give you the radius.
Which expresion gives the volume of a sphere with radius 7?
4/3 pie(7exponent3)
What is the radius of a circle with a circumference of 295 cm?
To find the radius of a circle given its circumference, you can use the formula ( C = 2\pi r ), where ( C ) is the circumference and ( r ) is the radius. Rearranging the formula to solve for the radius gives ( r = \frac{C}{2\pi} ). Substituting the given circumference of 295 cm, the radius is ( r = \frac{295}{2\pi} ) which is approximately 46.95 cm.
How many cu inches are in a 20 mm diameter ball?
The volume of a sphere is given by the formula V = (4/3)πr^3, where r is the radius. The radius of a 20 mm diameter ball is 10 mm (half of the diameter), which is 1 cm or 0.3937 inches. Plugging this into the formula gives V = (4/3)π(0.3937)^3 ≈ 0.209 cu inches.
Which expression gives the volume of a sphere with a radius 16?
V = 4/3(Pi*r3): A sphere with a radius of 16 units has a volume of ≅17,157.28 cubic units.
What is the volume of a sphere that has a surface area of 49pi square cm?
Well, darling, the surface area of a sphere is given by the formula 4πr², where r is the radius. So, if the surface area is 49π, then the radius squared is 49, making the radius 7 cm. Now, the volume of a sphere is (4/3)πr³, so plugging in a radius of 7 cm gives a volume of 179π cubic cm. Voilà!
A solid copper sphere of radius 3cm is melted and electric wire of diameter 0.4cm is made out of the copper obtained find the length of wire?
To find the length of wire that can be made from the solid copper sphere, first calculate the volume of the sphere using the formula V = (4/3) * π * r^3. Then, find the volume of wire using the formula V = π * (r/2)^2 * h, where h is the length of wire. Equate the two volumes and solve for h to find the length of wire.
