Login Register

My account
Edit my Profile
Private messages
My favorites

F(r)=3.14r2 what is f(7)?

Ask a Question
Questions
Unanswered
Tags
Ask a Question

F(r)=3.14r2 what is f(7)?

asked Sep 25, 2022 29.8k views

1 vote

F(r)=3.14r2 what is f(7)?

Mathematics
high-school

Totothegreat asked

by Totothegreat

7.8k points

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

3 votes

Hi :)

f(r) = 3.14r2

f(7) = 3.14(7)(2)

f(7) = 43.96

Graphics Noob answered Oct 1, 2022

by Graphics Noob

8.7k points

0 Comments

Please log in or register to add a comment.

← Prev Question Next Question →

Related questions

asked Jan 3, 2017 23.1k views

The function f(r) gives the area of a circle with radius r. It can be written in equation form as f(r) = 3.14r2. What is f(5)? A. 28.14 B. 31.40 C. 246.49 D. 78.50

Roman Dolgiy asked Jan 3, 2017

by Roman Dolgiy

8.4k points

Mathematics
high-school

1 answer

3 votes

23.1k views

asked Apr 2, 2017 197k views

The function f(r) gives the area of a circle with radius r. It can be written in equation form as f(r) = 3.14r2. What is f(5)? A. 28.14 B. 31.40 C. 246.49 D. 78.50

Ilya Sazonov asked Apr 2, 2017

by Ilya Sazonov

7.1k points

Mathematics
high-school

2 answers

0 votes

197k views

asked Jun 9, 2017 186k views

The function f(r) gives the area of a circle with radius r. It can be written in equation form as f(r) = 3.14r2. What is f(4)? A. 50.24 B. 25.12 C. 19.14 D. 157.75

Lintu asked Jun 9, 2017

by Lintu

8.0k points

Mathematics
high-school

2 answers

3 votes

186k views

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

All categories
Mathematics (3.7m)
History (955k)
English (903k)
Biology (716k)
Chemistry (440k)
Physics (405k)
Social Studies (564k)
Advanced Placement (27.5k)
SAT (19.1k)
Geography (146k)
Health (283k)
Arts (107k)
Business (468k)
Computers & Tech (195k)
French (33.9k)
German (4.9k)
Spanish (174k)
Medicine (125k)
Law (53.4k)
Engineering (74.2k)

Other Questions

How do you can you solve this problem 37 + y = 87; y =

What is .725 as a fraction

How do you estimate of 4 5/8 X 1/3

Qamnty
About Us

Twitter WhatsApp Facebook Reddit LinkedIn Email

Link Copied!

Search Qamnty