The cost of a pizza varies directly as the square of its radius. If a

1.	The cost of a pizza varies directly as the square of its radius. If a pizza with a 6-inch radius costs $8.00, howmuch should a pizza with a 9-inch radius cost?
Answer» Answer: $18 Step-by-step EXPLANATION: cost varisus with RADIUS^2 Cost for radius 6 inch means 36 inch^2 area PIZZA = $8.0 Cost for radius 9 inch means 81 inch^2 area pizza = $ (8/36) * 81 = $ 18

The cost of a pizza varies directly as the square of its radius. If a pizza with a 6-inch radius costs $8.00, howmuch should a pizza with a 9-inch radius cost?

Answer»

Answer:

$18

Step-by-step EXPLANATION:

cost varisus with RADIUS^2

Cost for radius 6 inch means 36 inch^2 area PIZZA = $8.0

Cost for radius 9 inch means 81 inch^2 area pizza = $ (8/36) * 81

= $ 18