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
FinnZ [79.3K]
3 years ago
11

The circumference of a circle is 13π ft. What is the area, in square feet? Express your answer in terms of π.

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
5 0

Answer:

\frac{169}{4} \pi square feet

Step-by-step explanation:

Circumference = 2πr

13π = 2πr

\frac{13}{2}=r

Area = πr²

π × \frac{13}{2}² =

\frac{169}{4}π square feet

You might be interested in
6(2x²-5) = [?]<br> x = -3
Korvikt [17]

Answer:

78

Step-by-step explanation:

plug in -3 as x

6(2(-3)^2-5)

6(2(9)-5)

6(18-5)

6(13)

78

5 0
2 years ago
Read 2 more answers
Find the value of 9x+4y when x=4 and y=-3
jasenka [17]

Answer:

you substitute x for 4 and so you multiply 9 x 4 which will give you 36 and then you have to add four times y so you substitute y for -3 and you add 36 - 12 which will give you 24

4 0
3 years ago
Give the slope between the points. Answer
Alla [95]
Answer:

With the given points your slope would be -5/4.
4 0
3 years ago
Read 2 more answers
Help me with this please!
jasenka [17]

Answer:

witch one

Step-by-step explanation:

4 0
3 years ago
Rewrite the expression in the form 5^n<br><br> (5^-8) (5^-10)
oee [108]

Answer:

Step-by-step explanation:

This problem is all about bases and exponents.  Because we have a quotient and the bases are both 5's, that means that we can use the rule of exponents for quotients to rewrite and simplify:

That's the simplification as long as you are "allowed" to leave the exponent as a negative number.

4 0
3 years ago
Read 2 more answers
Other questions:
  • The sector enclosed by BCD in the circle below represents the
    13·1 answer
  • If a window has a radius of 12 inches what is the circumference of the window
    14·2 answers
  • The length of the shorter side of a parallelogram is 29 cm. Perpendicular line segment, which goes through the point of intersec
    15·1 answer
  • Kevin enterd a pie eating contest. He ate 4 pies in 132 seconds. How many seconds did each pie take?
    11·2 answers
  • )A doghouse is to be built in the shape of a right trapezoid, as shown below. What is the area of the doghouse? the top is 7 the
    9·2 answers
  • A group of 6 students was asked, "How many hours did you watch television last week? Here are their responses.
    15·1 answer
  • I'd appreciate it if anyone could help out as soon as possible!
    13·1 answer
  • 2. The German Shepard actually weighs 28 pounds. Lisa thought the
    12·1 answer
  • Joshua buys a $6000 car on the following terms:
    6·1 answer
  • According to the line plot, how many more runners ran 1/3 of a mile for their warm-up than ran 1/4 of a mile?
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!