Updated Math Question
 0
 0
 23
 0
 0

 0
 0
posted by Reiny
Respond to this Question
Similar Questions

Geometry
A dartboard consists of five concentric circles. The radius of the smallest circle is about 1 inch. The radius of the second circle is about 3 inches longer. The radius of the third circle is about 1 inch longer than the previous
asked by Sholanda on May 16, 2012 
PreCalc (Circles). Please help :(
Five concentric circles with radii 1, 2, 3, 4, and 5 are drawn as shown dividing the circle of radius 5 into five regions: a circle of radius 1 and 4 annuuli (rings). What is the probability that a point chosen randomly from
asked by J on September 28, 2014 
Math
The radius of circle A is 9 times greater than the radius of circle B. Which of the following statements is true?
asked by Kim on July 18, 2012 
Physics
you measure the diameter of a circle then you calculate the radius of the circle using this diameter. (1) Which one has a greater uncertainty, the diameter or the radius? Why? you measure the radius of a circle then you calculate
asked by Denji on June 30, 2012 
Maths
1. In the xycoordinate plane, point A is the midpoint of the segment with endpoints (2,4) and (4,4). What is the distance from point A to the origin? I know how to find the distance between the two points 10. But I don't know
asked by Lina on March 22, 2015 
Math
The radius of circle A is 9 times greater than the radius of circle B. Which of the following statements is true? A.The area of circle B is 9 times greater than the area of circle A B.The area of circle A is 9 times greater than
asked by Kim on June 13, 2012 
Calculuscomplex numbers
let z= a+bi be a complex number. it is given that the quotient (zi)/(z1) is purely imaginary. show that z lies on a circle and determine the centre and radius of this circle. OK, here's my working out...( i am using "X" as my
asked by Anne on March 12, 2008 
8th grade math
The radius of circle M is 3 times the radius of circle P. If the area of circle P is abotu 27 sq. cm. the area of circle M is about what? (Use 3 as pie) i don't get it. is the scale ratio 3:1?
asked by brianna on January 5, 2009 
Algebra
The area of a circle is given by the formula A+pier^2, where r is the radius. If increasing the radius of a circle by 1 inch gives the resulting circle an area of 100pie square inches, what is the radius of the original circle?
asked by Savannah on March 13, 2012 
math
The area of a circle is given by the formula A = ðr2, where r is the radius. If increasing the radius of a circle by 1 inch gives the resulting circle an area of 100ð square inches, what is the radius of the original circle?
asked by Anna on March 27, 2015