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
ycow [4]
3 years ago
8

About how much does the area of a circle increases when the radius increases from 3cm to 5cm?

Mathematics
2 answers:
aleksklad [387]3 years ago
8 0
C is probably the best choice
kvv77 [185]3 years ago
5 0

Answer:

The answer would be C

Step-by-step explanation:

The area of a circle:

 A = πr²

dA/dr = 2πr

We are given dA/dt, using the chain rule

dr/dt = dA/dt x dr/dA

dr/dt = 1 x 1/2πr

When circumference = 2 cm:

2 = 2πr

r = 1/π; putting this value of r

dr/dt = 1/2π(1/π)

dr/dt = 1/2 cm/s

The radius is increasing at a rate of 1/2 cm/s.

You might be interested in
Sally has decided to spend some time over two days soving math problems. She figures that on the first day she wil be able to so
erastova [34]

A system of equations for this would be

19x + 11y = 273

and

12x + 17y = 283.

X is the amount of minutes to solve one long division problem and y is the amount of minutes to solve a graphing problem.

How To Solve This System of Equations.

Multiply both by 17 and 11 respectively for them to have the greatest common factor for y. So now both equations are:

323x + 187y= 4641

132x + 187y= 3113.

Subtract both equations and you have left:

191x = 1528.

Divide both sides by 191 and you find x.

X = 8.

Answer

It takes Sally 8 minutes to do one Long Division Problem.


Hope this helped. ;)

6 0
3 years ago
Read 2 more answers
Can someone help me :(
k0ka [10]

Answer:

x = 20

Step-by-step explanation:

19 < x < 25

x had to be higher than 19 but lower than 25

18 cant be the answer because it is less than 19

27 cant be the answer because it is higher than 25

that leaves 20, which is the right answer

19 < 20 < 25

4 0
2 years ago
Which table shows ordered pairs that satisfy the function y=x^2+1
ohaa [14]

Where is the table? You could potentiallysolve this by deconstructing the function.

3 0
3 years ago
Fill in the table using this function rule.<br> y=14-2x
Mamont248 [21]

Answer:

when x is:

1; y = 12

2; y = 10

5; y = 4

6; y = 2

Step-by-step explanation:

Substitute each value of x to obtain respective y values

3 0
3 years ago
Which angle is complementary to<br> FGa
malfutka [58]

Answer:

Is there a picture for this?

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • What is the Slope of a line that passes through the points (-3,5) and (1,7) ?
    14·2 answers
  • A triangle has angles measuring 2x°, x° and x°. Write an equation that can be solved to find the value of x. Then, find the meas
    7·1 answer
  • I need help solving this equation. -356.6(-0.01)=
    6·2 answers
  • Chris spent a total of $53.07 buying art supplies. He bought a package of drawing paper for $24.75, and bought 12 brushes. What
    7·1 answer
  • I don't know what to write! Help me please​
    15·1 answer
  • PLZ HALP!!! STUDY ISLAND BE MEAN
    15·1 answer
  • I need to finish this tonight please help me.
    14·1 answer
  • kassim has amoney box containing 100 mixed sh 5 and sh 10 coins with a totalvalue of sh 600. How many of each type of coin does
    11·1 answer
  • (FIRST TO ANSWER GETS BRAINLIEST OR 5 STARS) For consecutive weeks, the manager of a local restaurant collected data on the numb
    12·1 answer
  • Help ASAP HELP PLS HELP PLS HELP PLS HELP
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!