algebra

You have been put in charge of making pizza for the fundraiser. You are told to make the larger pizzas with a radius 3 less than twice the radius of the smaller pizzas. The difference in the area of the pizzas is to 24 pi. Find the radius of the smaller pizza.

  1. 👍 0
  2. 👎 0
  3. 👁 39
asked by zainab
  1. A = π r^2

    Difference (24π) = (2r-3)^2π - r^2π

    Divide both sides by π .

    24 = (2r-3)^2 - r^2

    I'll let you calculate the rest.

    1. 👍 0
    2. 👎 0
    posted by PsyDAG
  2. r^2=1

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. geometry

    Papa's Pizza charges $0.05 per square inch of pizza. Pizza is measured by the diameter. How much will pap's Pizza charge for a 7-inch, 10-inch, and 14-inch pizza? From your results, do you think this is how the p rice of pizza is

    asked by Alexey on January 30, 2013
  2. MSD

    Pat and Kris are roommates. They spend most of their time studying (of course), but they leave some time for their favorite activities: making pizza and brewing root beer. Pat takes 4 hours to brew a gallon of root beer and 2

    asked by Ahmad on November 3, 2012
  3. Geometry

    a pizza restaurant charges $10.00 for a large one topping pizza in the shape of a circle with a diameter of 14 inches. To celebrate the World Series, the resturant decides to bake a pizza in the shape of home plate. The dimensions

    asked by Anonymous on April 20, 2016
  4. Econ

    Pat takes 4 hours to brew 5 L of beer and 2 hours to make a pizza. Kris takes 6 hours to brew 5 L of beer and 4 hours to make a pizza. What is Pat and Kris's opportunity cost of making a pizza? Think the problem through, then take

    asked by Jen on May 29, 2007
  5. Math

    A local pizza shop sells large pies for $7 each. If the cost of the order is proportional to the number of pizzas would they charge a delivery charge per pizza or per order ?

    asked by Marylou :) on December 19, 2012
  6. math

    your class had a pizza party. 3\8 of one pizza was left over after 4/8 of another pizza was left over .you put them both into one box. how much pizza do you have altogether?

    asked by Nia on August 10, 2016
  7. algebra

    Break-Even Analysis: A Look at Profit and Loss: As an entrepreneur, there are going to be many decisions that you need to make, such as the price to charge your customers for your goods and services. You have just graduated from

    asked by larry on May 11, 2012
  8. algebra

    Your class is selling boxes of flower seeds as a fundraiser. The total profit p depends on the amount x that your class charges for each box of seeds. The equation p equals negative 0.5 x squared plus 36 x minus 134 models the

    asked by . on January 30, 2019
  9. Math

    A pizza parlor divides a pizza into 7 equal slices. Each slice of pizza looks exactly the same. The pizza has rotational symmetry. What is the angle of rotation for the pizza?

    asked by Jinyoung on February 8, 2018
  10. Math

    A pizza parlor has 3 diffrebt crusts and 3 diffrent cheeses and 7 diffrent toppings . How many combinations are on a pizza with 3 topings 1 crust and 1 cheese ? Help please I got 42 and then was told I was wrong

    asked by Bree on June 8, 2014

More Similar Questions