09-02-2016
Mathematics

contestada

A small silver dollar pancake served at a restaurant has a circumference of 2 inches. A regular pancake has a circumference of 4 inches. Is the area of the regular pancake twice the area of the silver dollar pancake? Explain.

Respuesta :

09-02-2016

C=(2)(pi)(radius)
A=(pi)(radius)^2

Area of small silver dollar pancake=4pi
Area of regular pancake=16pi
16pi/4pi=4 times bigger than silver dollar pancake
NO, because in order to find the area of a circle you need to multiply pi with radius squared.

Answer Link

Otras preguntas

A sealed container holding 0.0255 L of an ideal gas at 0.991 atm and 69 ∘ C is placed into a refrigerator and cooled to 43 ∘ C with no change in volume. Calcula

A mixture of 117.9 g of P and 121.8 g of O, reacts completely to form P4O6 and P4O10. Find the masses of P4O6 and P4O10 that are formed by the reaction. What i

What does the fossil record reveal about evolution of life on earth?

A researcher found a method she could use to manipulate and quantify phosphorylation and methylation in embryonic cells in culture. In one set of experiments, s

What is similar about the factors that contribute to the formation of surface currents and deep currents.

Dr. Ross believes that principles of natural selection help explain why infants come to fear strangers about the time they become mobile. Dr. Ross is most likel

Which statement accurately describes the Domo in Florence?

As a defensive measure, forces afloat would typically operate in highly dispersed formations, sometimes covering an area of more than 40 square miles.A. True.B.

Baroque artists often portrayed people fainting in ecstasy or seeing visions. Which characteristic of baroque art describes this aspect?

You have been given the task of finding out what proportion of students that enroll in a local university actually complete their degree. You have access to fir