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

2 PART QUESTION PLEASE HELP 1. The four presidents who followed George Washington faced critical foreign policy decisions. For each of those presidents—John Ad

Select the correct answer from each drop-down menu. Some of the images in the diagram are images of polygon 1 from similarity transformations. Graph shows 5 pol

the value of ¾ of 12 isa) 16. b) 1. c) 9. d) 1/16with step by step explanation because I am getting two answers 16 and 9

Write a polynomial in standard form with the zeros -2, 1, and 2. Hint: Remember a zero can be written as (x - a) where a is the zero. List the zeros then multip

Simplify $(3p^3 - 5p + 6) + (4 - 6p^2 + 2p)$. Express your answer in the form $Ap^3 + Bp^2 + Cp +D$, where $A$, $B$, $C$, and $D$ are numbers (possibly negative

How is the new theory of addiction different from the old theory of addiction? Explain how drugs are different from natural reinforcers.

How can I go about this? This is one of the questions in the BlueBook Digital SAT practice questions. I used vertex form but it didn't work.

Historical sources can contain bias or points of view. People's beliefs and values affect their perspectives. New information can affect previous understandings

Question is in the picture. And if you decide to answer, please explain said answer with all the steps and what not.

Grinning grass can also be a...