1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
telo118 [61]
3 years ago
13

1. What is the circumference of a circle with a radius of 3? (1 point)

Mathematics
1 answer:
4vir4ik [10]3 years ago
7 0
1. 6 \pi
This is because 
c=  \pi d \\ 
c= 6 \pi

2. 9 \pi
because 
A= \pi  r^{2}  \\ 
A =  \pi (3)^{2}  \\ 
A = 9 \pi

3. 4 \pi
C=  \pi d \\ 
C= 4 \pi

4. 4 \pi
A = \pi r^{2} \\ A = \pi (2)^{2} \\ A = 4 \pi

Can't really answer the last 2 w/o the figures

You might be interested in
You measure 20 turtles' weights, and find they have a mean weight of 45 ounces. Assume the population standard deviation is 11.5
Naily [24]

Answer: the maximal margin of error associated with a 90% confidence interval for the true population mean turtle weight = 4.23

Step-by-step explanation:

Formula for margin of error : E=\dfrac{z^*\times (Population\ standard\ deviation)}{\sqrt{Sample\ size}}

, where z* = Critical z-value.

Given: population standard deviation = 11.5 ounces

Sample size = 20

Z value for 90% confidence level = 1.645

margin of error (E) = \dfrac{1.645\times11.5}{\sqrt{20}}

\approx4.23

Hence, the maximal margin of error associated with a 90% confidence interval for the true population mean turtle weight = 4.23

3 0
3 years ago
8 - 3x4 + 6/2<br><br> what’s the answer? help plz i really need help
Anastaziya [24]

Answer:

3 2/5

Step-by-step explanation:

8-3x4

ok well do 3x4 that is 12

so do 12 minus 8 which is 4. and 4 as a fraction is 2/5 so

do 6/2 plus 2/5

which is.....

.....

3 and 2/5

6 0
4 years ago
3 minus the product of a number and k
timofeeve [1]

Answer:

let the number be n :

3 \times n = k \\ { \underline{ \:  \: 3n = k \:  \: }}

3 0
3 years ago
Help help help math math
irga5000 [103]

Answer:

It is an example of a nonlinear function.

Step-by-step explanation:

Use a graphing calculator or graph the points and try to make a line, as it will not work

8 0
2 years ago
A little non-vacation spot taxi fares are a bargain, a 14 mile taxi ride takes 18 minutes and cost 12.60 do you want to find the
Valentin [98]

Answer:

The answer is 34.3

Step-by-step explanation:

Trust me it's correct

pls mark me as brainliest

4 0
3 years ago
Other questions:
  • Joe is a waiter. Last week he made $130 in tips working 15 hours, yesterday he made $45 working 5 hours. What is his hourly rate
    6·1 answer
  • HELP WITH THIS QUESTION PLEASE!!
    7·1 answer
  • If the greatest integer function is called the floor function because it rounds any number down to the nearest integer, what wou
    8·2 answers
  • AB and BC form a right angle at their point of intersection, B.
    9·1 answer
  • A swimming pool is 21 feet in diameter what is the circumference
    6·2 answers
  • FIND THE EQUATION OF THE LINE!!!<br>USE EXACT NUMBERS<br><br>EXAMPLE!<br><br>y= ( )x + ( ) ​
    14·1 answer
  • It took Lesley the same time to drive 150 miles as it took a train to travel 250 miles. If the train is traveling 20 mph faster
    9·1 answer
  • PLEASE HELP the information is below
    15·2 answers
  • There were 17 students reading a book. Eight students have finished. How many students are still reading the book?
    9·1 answer
  • Use the function below to find F(3).
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!