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
Romashka [77]
3 years ago
13

What’s is the radius of a circle with a area of 3.21 square feet

Mathematics
1 answer:
Rus_ich [418]3 years ago
7 0

approx 1 foot

The area (A) of a circle = πr² ( where r is the radius)

thus r² = A/π ⇒ r = √(A/π = √(3.21/π) =1.0108..... ≈ 1 foot ( to 1 dec. place)

You might be interested in
Use SOH CAH TOA to find the length of KN
slega [8]

KN= 20.7

you can ask questions for clarification

7 0
1 year ago
Right and solve a proportion to answer the question 3/4 is 75% of what number
ra1l [238]

Answer: 1

Step-by-step explanation:

Let the number be p

75% of P= 3/4

75/100 of P = 3/4

0.75P =3/4

Cross multiply

0.75p×4=3

0.3p=3

P=3/0.3

P= 1

Therefore 75% of 1 = 3/4

7 0
3 years ago
Which number line best shows how to solve −2 − (−10)? A number line from negative 10 to 10 is shown with numbers labeled at inte
Viktor [21]

Answer:

Ur answer is #1 = A number line from negative 10 to 10 is shown with numbers labeled at intervals of 2. An arrow is shown from point 0 to negative 2. Another arrow points from negative 2 to 8.

Step-by-step explanation:

The arrow from 0 to -2 represents the initial "-2" of the problem. <em>Adding </em>-10 would put an arrow of length 10 from that point to the left to -12. However, you are <em>subtracting </em>-10, so that arrow is reversed and goes from -2 to +8.

7 0
2 years ago
the distance from the origin to point p is 5 units. give the coordinates of four possible locations for point p
yan [13]
All I can think of is (5,0) (0,5)
Hopefully it helps.
4 0
3 years ago
A driver travelled a distance of 864 km in 12 hours what is the speed of car
Elanso [62]

answer:

speed= 72 km - per • hour

8 0
3 years ago
Read 2 more answers
Other questions:
  • If the domain of the square root function f(x) is x &lt;_7, which statement must be true?
    9·1 answer
  • -2 (m+1)=10 what is m
    13·1 answer
  • Is this a function or not. If it isn’t can someone explain
    7·2 answers
  • Which expression is equivalent to (7 to the 3rd exponent)-2 exponent?
    15·1 answer
  • Three boxes are stacked one on top of other.one box is 5 feet 10 inches tall and one is 6 feet 9 inches tall how high is the sta
    13·2 answers
  • If the denominator of 5/6 is increased by a number and the numerator is doubled, the result is 1, find the number
    5·1 answer
  • What is 55% of 480 ???
    5·2 answers
  • How does the function from the table below compare to the function above?​
    6·2 answers
  • B) y = log2 (4" - 4)<br> find the inverse of this equation
    9·1 answer
  • I AM GIVING OUT BRAINLIEST
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!