Sunday

April 20, 2014

April 20, 2014

Posted by **Shin** on Tuesday, February 11, 2014 at 8:33am.

- Math (Variation) -
**Reiny**, Tuesday, February 11, 2014 at 10:14amcost = k r^2

when r = 6, cost = 148

148 = k(36)

k = 37/9

cost = (37/9) r^2

so when r = 11

cost = (37/9)(121) = 497.44

or

cost1/cost2 = r1^2/r2^2

148/cost2 = 36/121

36cost2 = 148(121)

cost = 148(121)/36 = 497.44

**Related Questions**

geometry - Papa's Pizza charges $0.05 per square inch of pizza. Pizza is ...

Math 157 - A 7 inch pizza cost $8 and a 14 inch pizza costs $20. Tommy says the ...

Math (Area of Shapes) - Suppose that when pizza dough is rolled out it costs 25 ...

math - Tiny is ordering a pizza and cant decide between a round pizza with a ...

Math - If a pizza with a diameter of 12 inches costs $10.99 , based on area, how...

algebra - The radius of a large pizza is two times plus 3 inches larger than a ...

Geometry check my answer? - Small Pizza- radius 6 in. cost $9.75 Medium- radius...

Math - Manny loves to eat Cajun pizza. Each square inch of pizza is 8 calories. ...

Math - What is better buy? A square 8in. pizza that cost $10 or a round pizza ...

Geometry Ms. Sue help please? - Ms. Sue, can you help me again? you replied to ...