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
Sladkaya [172]
3 years ago
11

The function f(r) gives the area of a circle with radius r.

Mathematics
1 answer:
Darina [25.2K]3 years ago
8 0

Answer:

  A.  50.24

Step-by-step explanation:

Put the value where the variable is and do the arithmetic.

  f(4) = 3.14(4²) = 3.14×16 = 50.24

You might be interested in
What is 500 dollars at 4% for 3 years
worty [1.4K]
500 +  (\frac{100 + 4}{100})^{3} = $<span>562.432.
</span>
original amount + ((100 + percentage) / 100)^number of years
7 0
3 years ago
Solve for c c/3=30/5=
yaroslaw [1]

Answer:

= 18

Step-by-step explanation:

\frac{c}{3} = \frac{30}{5}

Cross multiply

5 * c = 30 * 3

5c = 90

Divide both sides by 5

c = 90/5

c = 18

6 0
3 years ago
Read 2 more answers
Need to know how to graph this example y= -2x + 25. I know that y=mx+b. Just confused on how to get what they call plug in. Can
Artist 52 [7]
Here's an example
Y=5x + 10
if x is equal to 5 you would make it
Y=5(5)+10.
basically, just replace the x with what it's equal to.
7 0
3 years ago
Please help I’m struggling badly
Nady [450]

Answer:

yea bro should be the first one

Step-by-step explanation:

since the ratio is 5.5/5 we could scale it up to 11/10 and so f times that should be the amount of f used for every b that this girl used

4 0
2 years ago
Please answer if you can 30 points.
Rudik [331]

Answer:

The y-intercept is 4

Step-by-step explanation:

You find the y-intercept by finding where x is zero. In the table, when x=0 the y=4. The y-intercept is 4. The graph of the function crosses the x-axis at the point (0,4).

4 0
2 years ago
Read 2 more answers
Other questions:
  • Clark is having a party at his house. His father has allowedhim to spend at most $20 on snack food. He’d like to but chips that
    14·1 answer
  • Two families go to the cinema.
    12·1 answer
  • Tarik rides a stationary bike and Janet rides her bike on a trail. Their data is shown
    8·1 answer
  • Change the following from ordered pairs into function notation a. (12,5)
    8·1 answer
  • 4(x - 1) - x= 3(x + 5) –11
    15·2 answers
  • Ted's class collects aluminum cans to sell to the recycling center. The center pays $0.002 for each kilogram of aluminum.Write a
    7·1 answer
  • Find the value of x so that the polygons have the same perimeter.
    12·1 answer
  • The ratio of cats to dogs in the Dickinson Animal Shelter is 3 to 5. There are 12 cats in the shelter. What is the total number
    11·1 answer
  • Help........................​
    6·1 answer
  • Solve the equation. − 45 − 5 =
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!