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
Serjik [45]
2 years ago
6

Find the area of a circle with a radius of 21 inches. Use 22/7 for pi .

Mathematics
1 answer:
olga nikolaevna [1]2 years ago
7 0

Answer:

okay so the area is 1386inches2

Step-by-step explanation:

area \: of \: a \: circle = \pi {r}^{2}  \\  =  \frac{22}{7}  \times  {21}^{2}  \\ =  \frac{22}{7}  \times 441 \\  = 1386 {inches}^{2}

You might be interested in
What angle of inclination (to the nearest whole degree) does a stairway make with the floor if the steps have a tread of 11 inch
faltersainse [42]

tan x = opposite / adjacent 
tan x = 6 / 11 
tan x = 6 / 11 
x = 28.61 (or 29 degrees rounding to the nearest whole degree) 
3 0
4 years ago
Read 2 more answers
5b=21<br> Reduce the fraction
vlabodo [156]

Answer:

21/5

Step-by-step explanation:

5 0
4 years ago
There is a pie eating contest with 14 participants. There are 29 pies that are all eaten. Which of the following best describes
kotegsom [21]
Hmm...I tried to divide 29 by 14, and I got 2.07142857143.... Does it let you round the decimal..?
3 0
3 years ago
Kim is y years old. Jasper is twice as old as Kim, or 2y years old. Lorenzo is 2 years older than Jasper, or (2y + 2) years old.
Veronika [31]

Answer:

5y+11

Step-by-step explanation:

y+2y+2y+2+9

5y+11

4 0
3 years ago
0.1212 repeating as a fraction
hjlf

Answer: it would be 303/2500 i think

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • Given f(x) = the quantity of x minus 1, divided by 2, solve for f−1(5). 2 9 11 15
    8·2 answers
  • Factor completely. -2k - k3^ - 3k^2
    14·1 answer
  • Sketch the absolute value function f(x) = -|-2x - 3| + 5. Which key feature of the graph is not correct? A) y-intercept (0, 3) B
    11·1 answer
  • What is the solution to this system of equations?<br> 5x + 2y = 29<br> x + 4y= 13
    10·1 answer
  • Prove: if a+c=b+c, then a=b.
    13·1 answer
  • Abigail has $30.00 to buy groceries. She needs to buy some apples, some bananas, and 3 pounds of potatoes. Fuji apples are $1.79
    7·1 answer
  • 6<br> Factor the expression.<br> 4z- 28
    11·1 answer
  • I WILL MARK BRAINIEST <br> please answer ASAP
    12·1 answer
  • What is m∠N?<br><br> A. 19°<br> B. 68°<br> C. 95°<br> D. 112°
    13·1 answer
  • A dairy produced 4.49 liters of milk in 4 hours. How much milk, on average, did the dairy produce per hour?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!