19-03-2015
Mathematics

contestada

The ratio of the area of a circle to the circumference of the circle ([tex] \frac{A}{C} [/tex]) is [tex] \frac{7}{1} [/tex]. Find the circumference of the circle. Leave your answer in terms of pi.

Respuesta :

konrad509 konrad509

19-03-2015

[tex]\dfrac{\pi r^2}{2\pi r}=\dfrac{7}{1}\\ \dfrac{r}{2}=\dfrac{7}{1}\\ r=14\\\\ C=2\pi \cdot14=28\pi[/tex]

Answer Link

Otras preguntas

Help with this, please!!!

What is the value of x in simplest radical form?

Olivia rides her scooter 3/4 mile in 1/3 hour. How fast, in miles per hour, does she ride her scooter?

Stock prices have declined for the last two weeks

Read the conclusion below. Harlem attracted a broad range of talent among the African American community in the 1920s. Which sentence from the article provides

Solve for X 6 7 8 9 10

Sammies room is 20 feet long and 12 feet wide her parents want to cover the floor with tiles. If they choose to use tiles with with side 2 feet long how many ti

Question 6 (1 point) Culture, emotions, family, and environment often play a part in the development of a person's ethics. True False

how does music affects the thoughts and actions of teenagers?

Why does a ball eventually stop bouncing? Write a three- four sentence explaination