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

which stamen Which statements about trapezoids and rhombuses are true . Select all that apply. Both shapes are 2-dimensional figures. Both shapes have all side

Choose the sentence which contains an indirect object. A. They gave me a bonus. B. It is difficult to save money. C. I worked hard each day. D. I spent it

Circle the sum 9 + 4= 13

graph the function f(x)=(x+1)(x-2)

why is it so good for scientists to be skeptical

does the equator cross the Northern or Southern part of South America

Bethany walks on the treadmill at least four times per week to maintain her cardiovascular health. Lately, she has been finding excuses not to exercise and is

Which of the following expressions could you use to estimate 47% of 89? 1/2 x 90 0.5 x 90 0.47 x 89 90/2

Convert 2.83 days into seconds

what is 90.69 rounded to the nearest tenth