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
BigorU [14]
3 years ago
5

To the nearest tent what the area of a circle whose diameter is 9 feet? Use 3.14 for x Please help :’(((( will give 25pts

Mathematics
2 answers:
makkiz [27]3 years ago
8 0

Answer:

area of circle =πr²

Step-by-step explanation:

3.14×4.5×4.5

63.585 in ft

Fynjy0 [20]3 years ago
6 0

Step-by-step explanation:

Diameter of circle = 9 ft

Therefore, radius = 9/2 = 4.5 ft

area \: of \: circle  \\ = \pi {r}^{2}  \\  = 3.14 \times  {4.5}^{2}  \\  = 3.14 \times 20.25 \\  = 63.585 \\  = 63.6 {ft}^{2}  \\

You might be interested in
A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks from the spotlight toward the building at a speed
Olegator [25]

Answer:

The length of shadow decrease at 0.48 m/s.

Step-by-step explanation:

The distance of man from building = x

Thus initially, x = 12

It is given that dx/dt= -1.3 m/s

Let the shadow height = Y  

Now solve for the dy/dt when x=4

from the diagram (triangle) it can be seen similar triangles with similar base/height ratios.

\frac{2}{12-x} = \frac{y}{12} \\Y = \frac{24}{12 - x} \\ \frac{dy}{dt} = \frac{24}{(12-x)^{2}} \times \frac{dx}{dt} \\at x=4, dy/dt \ becomes: \\\frac{24}{(12-4)^2} \times -1.3 \\= -0.48 m/s

8 0
3 years ago
Find the slope of the line that passes through points (4, -20) and (10, -16).
frozen [14]
The answer is c. I think
3 0
3 years ago
Read 2 more answers
What is The difference of 3 and a number X
slamgirl [31]

Answer:

"the difference of" means to subtract

Therefore, "the difference of 3 and a number" would be:

3-x

Step-by-step explanation:

7 0
3 years ago
I need help someone please number 7
lesya [120]

Answer:

he need to sell 200 tickets

Step-by-step explanation:

driks=500

we need 1000 more

divide 5 (value of tickets) into 1000 (we need) =200

6 0
3 years ago
Read 2 more answers
Which angle relationship alone could be used as a reason that two angles are congruent?
zimovet [89]

Supplementary angles

7 0
3 years ago
Other questions:
  • How does the graph of y=1/2(x+4)^2compare to the graph of y=(x-1)^2 -3?
    10·1 answer
  • Which dimensions can create only one unique triangle?
    14·1 answer
  • What is the equation of this line?<br><br> y=−14x<br><br> y=−4x<br><br> y = 4x<br><br> y=14x
    9·1 answer
  • Is 3 over 2 the same as 3 over 4?
    5·1 answer
  • A company had 9 x 10^6 dollars
    8·1 answer
  • An above swimming pool is leaking after 1/2 hour the pool has leaked 7/8 of a gallon of water
    6·1 answer
  • A car drives 16 1/2 miles on a gallon of gas. how many miles can it travel on 9 gallons?
    15·1 answer
  • What is Satan's last name?
    5·1 answer
  • 4 - 3x = 7 - 4x what is x?
    7·2 answers
  • What is the area of the triangle shown below ?3.7mm 4.8mm
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!