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Radius

05/24/15

a circle radius 10 cm has a circumference correct to two decimal places of

i already know the answer i just need the working out

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Radius Physics Gravity Forces

05/19/15

find gravitational force

A planet has ? the density of earth but 2x the radius. find the surface gravitational force on this planet. (Hint: Earth’s is 10N/Kg)

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Radius Physics Average Speed

04/15/15

Mercury orbits the sun with an average speed of 4.78 x 104 m/s. About how long does Mercury take to orbit the sun once if the radius of its almost circular orbi

Mercury orbits the sun with an average speed of 4.78 x 104 m/s. About how long does Mercury take to orbit the sun once if the radius of its almost circular orbit is 5.79 x 1010m?

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Radius

03/21/15

Write the equation of a circle with center at (5,2)and radius 10

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Radius

03/21/15

Write the equation of a circle with center at the origin and radius 6

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Radius Physics Optics Magnifying

02/08/15

Find the radius of curvature of the mirror

A magnifying mirror produces an erect virtual image 2.5 times as high as the object 24 cm from it. Find the radius of curvature of the mirror.

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Radius Physics

02/06/15

What is the radius of curvature of the mirror

An incandescent lamp is located 2.4 m from a wall. It is desired to throw on the wall an image magnified three times the diameter, using a concave mirror. What must be the radius of curvature of... more

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Radius Equations Diameter Of Circles

01/08/15

if the radius of a circle is 3cm and 5x+1 represents the length of the diameter how do i write an equation for x

i am in 7th grade and i learned this a while ago and am now doing corrections and i need full steps on how to do it

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Radius Area Area Of A Circle

12/01/14

if the area of a square is 25ft2 then what is the radius and and the area of the circle?

25ft2

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Radius

11/20/14

find the radius for x ^2 + y ^2 = 5

I need help finding the radius of the circle.

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Radius Radians

11/11/14

what is the value of r?

Matilda is planning a walk around the perimeter of Wedge Park, which is shaped like a circular wedge, as shown below. The walk around the park is 2.4 miles, and the park has an area of 0.25 square... more

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Radius

10/29/14

I need a formula for the radius of the 70 ballons

One year for our prom, we had the lead out outside. As every couple was introduced they were given a helium filled balloon to release at the end of the leadout together. A ribbon with a tag... more

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Radius Calculus

10/02/14

Radius and what-not

Data was collected from a sample of 35 trees with diameters between 6 and 48 inches. A regression analysis was run to determine if there is a relationship between the diameter of a tree (x, in... more

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Radius Cylinder Value

09/15/14

Solid gold cylinder, has a radius of 4 centimeters and a height of 20 cm, if price of gold id $500 per cubic cm

Solid gold cylinder, has a radius of 4 centimeters and a height of 20 cm, if price of gold id $500 per cubic cm, what is the value of the gold in the trophy?

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Radius Circle Circle Equations

08/29/14

What is the radius of this equation after putting it into general circle form by completing the square? 5x^2+2x+5y^2-9y-3=0

The general format of a circle equation: (x-h)^2+(y-k)^2=r^2

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Radius Arc

08/26/14

Billy watched a bug crawl through an arc of 24 degrees along the rim of his melon. How far did the bug crawl?

Billy watched a bug crawl through an arc of 24 degrees along the rim of his melon, which was cut in half. if the radius of the melon was 5 inches, how far did the bug crawl?

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Radius Math Algebra 2 Cylinder

07/26/14

If the height of the cylinder is 10 inches, and the surface area is 200 sq. inches, determine the length of the radius

The formula for the surface area of a cylinder is: A=2pirh+2pir^2

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Radius Height

06/22/14

What are the dimensions of such a cylinder which has maximum volume?

A cylinder is inscribed in a right circular cone of height 5 and radius (at the base) equal to 3.5. What are the dimensions of such a cylinder which has maximum volume? radius=? height=?

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Radius

05/05/14

how to solve?

Find the radius of the circle given by x^2 -10x + y^2 + 8y= 11. Round answer 1 decimal place.

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Radius Calculus Area Circles

04/01/14

Optimization Problems

A piece of plexiglass is in the shape of a semicircle with radius 2 m. Determine the dimensions of the rectangle with the greatest area that can be cut from the piece of plexiglass.

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