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
muminat
4 years ago
11

A(r) is a function that gives the area of a circle with radius r. It can be written in equation form as A(r) = 3.14r2. What is t

he value of A(5)?
A:31.40
B:78.50
C:28.14
D:246.49
Mathematics
1 answer:
Jobisdone [24]4 years ago
3 0
B: 78.50

If you plug in 5 for r, then you get  3.14 * 25, which is equal to 78.5 

Hope this helps!
You might be interested in
Carolyn and Stefanie want to build a fans for their front yard. They want to have a length of 4x-5 yards and a width of 5x-4. Wh
Inessa [10]
As it is perimeter you would have to multiple by 2 for both as l and w are the same on both sides 2(5x-4) + 2(4x-5)
7 0
2 years ago
What is the C of a circle that has a radius of 4.5
Jlenok [28]

Step-by-step explanation:

C = 2\pi \: r \\ = 2 \times 3.14 \times 4.5 \\  = 3.14 \times 9 \\  =28.26 \: units

5 0
3 years ago
Subtract -1 3/5 - ( -2 7/8) Enter your answer as a simplified fraction by filling in the boxes
vredina [299]
The answer is 51/40=1 and 11/40
8 0
3 years ago
Help ASAP I’m learning about percents
Nitella [24]

Answer:

a. 50

b. 20

hope this helps

7 0
3 years ago
Is the function negative over (-6,-2)
MakcuM [25]
Yes, the function would be negative
5 0
3 years ago
Other questions:
  • What is the equation of the line that passes through the points {1,1/2} and (-1,-1)
    11·1 answer
  • What is the value of a if (2a +3) - (4a-8)= 7
    11·1 answer
  • Suppose that a regression line for some data transformed with logarithms
    8·1 answer
  • 5. (x^3y^2)^4 a) x^12 y^8 b) x^7 y^6 c) (xy)^20 d) (xy)^13
    10·1 answer
  • Calculate the unit rate for each item. Round to the nearest cent
    15·1 answer
  • 1. A<br> 2. B<br> 3. C<br> 4. D<br><br> Help?
    10·2 answers
  • If Michael and Imani add an 18% tip to the bill, what does their lunch cost in total? Enter your answer in the box.
    5·2 answers
  • Help asap ill mark brainliest
    11·2 answers
  • I'm always forgetting how to do mean absolute deviation. Can someone remind me what the process is please?
    5·2 answers
  • Don't add links please
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!