20-02-2015
Mathematics

contestada

Dereks dinner plate has a diameter of about 9 inches. Find its circumference and area.

Respuesta :

jjonathon7 jjonathon7

20-02-2015

circumference = pi x diameter
diameter = 9
circumference = 9pi or 9 x 3.14
area = pi x radius ^2
radius =1/2 diameter
radius=4.5
pi x 4.5 ^2
4.5 x 4.5 = 20.25
20.25 x 3.14
area = 64 circumference =28

Answer Link

Otras preguntas

write an equation of the circle with center (7,-9) and radius 6

Suppose you put $1000 in an account earning 5.5% interest compounded continuously. How much will be in the account after four years? a. $941 b. $1,246 c. $1,

What is the pressure of a sample of gas at a volume of .335 L if it occupies 1700 ml at 850 mm Hg?

A survey of 400 non-fatal accidents showed that 189 involved the use of a cell phone. Find a point estimate for p, the population proportion of non-fatal accide

What is the difference between gross primary production (GPP) and net primary production (NPP)? a) NPP = GPP - plant respiration b) GPP = NPP - plant respirat

Use the right-hand rule for magnetic force to determine the charge on the moving particle. This is a charge. FO.

Part of a usability study to assess voting machines measured the time on task (TOT) of voters casting ballots (efficiency). Specifically, the data are for the s

how is etc involved in the transfer of energy

The Blue Bird LTD has total assets of $223 500, a debt- equity ratio of 0.45, and return on equity is 12%. What is the net income?

What is the maximum height h(t)=-16t+24t+100