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
Tatiana [17]
3 years ago
11

An offshore oil well is leaking oil and creating a circular oil slick. If the radius of the slick is growing at a rate of 2 mile

s/hour, find the rate at which the area is increasing when the radius is 3 miles. (The area of a disc of radius r is
Mathematics
1 answer:
Genrish500 [490]3 years ago
5 0

Answer:

  37.7 mi²/h

Step-by-step explanation:

The area formula is ...

  A = πr²

Differentiating with respect to time gives ...

  dA/dt = 2πr·dr/dt

Filling in the given values, we have ...

  dA/dt = 2π(3 mi)(2 mi/h) = 12π mi²/h

The area is increasing at the rate of about 37.7 mi² per hour.

You might be interested in
the original price is $448, the sale price is $398, note the original price and the discount price as a percent. find the saving
makvit [3.9K]
The original price is 67 and 4 percent dissocount
7 0
3 years ago
Explain how you know these figures are similar​
sergeinik [125]

Answer:

because of them is bigger than the other one so that means its differ but it has the same length

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
A cat gave birth to 4 kittens. Three of the kittens had different masses between 147 and 159 kg and one kitten had a mass of 57k
Marizza181 [45]

Answer:

Both the mean and median will increase, but the mean will increase by more than the median.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Solve this question 15-3 × 8 ÷ 2
Lera25 [3.4K]
15-24/2
15-12
3
the answer is 3
5 0
3 years ago
Read 2 more answers
Complete steps to solve x 4/7×+5/14×=39
Tpy6a [65]

Answer:

the answer is x=42

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • Starting in the year 2012, the number of speeding tickets issued each year in Middletown is predicted to grow according to an ex
    12·1 answer
  • 4k – 5m - 32k + 5k<br> Need help please
    15·1 answer
  • Mario has a basket of pears. He puts an equal number of pears into 8 bowls. Each bowl has 2 pears. How many pears were in the ba
    12·2 answers
  • Tessa bought stock in a restaurant for $166.00. Her stock is now worth $202.52. What is the percentage increase of the value of
    10·1 answer
  • one number is equal to two times a second number. two times the first number plus two times the second number is 24. if you let
    14·1 answer
  • What is the difference between the permutations rule and the combinations​ rule? Choose the correct answer below. A. The permuta
    13·1 answer
  • Which expression is equivalent to (7x3)2(x3)?
    9·1 answer
  • Modeling Real Life A person weighs
    7·1 answer
  • GET IT RIGHT OR GET BANNED LOL!!​
    10·2 answers
  • Powers of 10 and Exponents (number 4 is a 10 incase u can’t see of the ripped page.)
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!