04-08-2016
Mathematics

contestada

r(t)=3t
A(r)=pi r^2
find A[r(t)]

Respuesta :

dalendrk dalendrk

04-08-2016

r(t) = 3t; a(r) = πr²

subtitute:

a[r(t)] = π(3t)² = 9πt²

Answer Link

Otras preguntas

The dot plots represent the number of absent students over 12 days in two classes. Claus Class o 0 1 B 9 7 Number of Absent Students 0 1 4 5 6 Number of Absent

Which answer BEST describes an entrepreneur? a. entrepreneurs started the Labor Union Movement in the United States b. entrepreneurs are government employees wh

fill in the missing letters. _k_rt

In “First Steps,” which theme is developed by Maria’s discoveries on the new planet? Friends should stick together. Change can be good. Being brave has few rewa

In ΔJKL, l = 380 cm, j = 620 cm and ∠K=30°. Find the area of ΔJKL, to the nearest square centimeter.

what is the area of this triangle?

If a 7 kg bowling ball is lifted 2 m into the air and dropped, what speed will it strike the ground? (

Solve for j:j > 4 + 6

How does an interest in the common people play a role in "The Mortal Immortal"?A. Shelley's main character is an aristocrat attempting to help the poor.B. The m

plz help me it's due now