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
melamori03 [73]
3 years ago
6

When a circular plate is heated in an oven, its radius increases at the rate of 0.01 cm/min. At what rate is the plate’s area in

creasing when the radius is 50cm? Be sure to include units in your answer.
Mathematics
1 answer:
m_a_m_a [10]3 years ago
7 0

Answer:

3.14 cm²/min

Step-by-step explanation:

rate of increasing of radius, dr/dt = 0.01 cm/min

r = 50 cm

Area of plate, A = πr²

rate of increase of area

dA/dt = 2πr dr/dt

dA/dt = 2 x 3.14 x 50 x 0.01

dA/dt = 3.14 cm²/min

Thus, the increase of rate of area is 3.14 cm²/min.

You might be interested in
Is 40% of a class are girls. and 25% of girls play tennis, what is the percent of the class play tennis?
ASHA 777 [7]

Answer: a. 10%

Step-by-step explanation:

Girls in the class = 40%

Girls play tennis = 25%

Percentage of class play tennis = 40%*25% = 0.4*0.25 = 0.1

Percentage of class play tennis = 10%

5 0
3 years ago
Read 2 more answers
A 1,600.00 principal earns 7% interest compounded semiannually twice per year' after 33 years what is the balance in the account
Dmitrij [34]
A=1600(1+0.07/2)^(2*33)=15,494.7
7 0
3 years ago
This scatter plot show the relationship between the temperature and amount of sales at a store. The line of best fit is shown on
Anit [1.1K]

Answer:

a) b ≈ 100

b) m ≈ 30

Step-by-step explanation:

5 0
3 years ago
Six times the sum of a number and twelve is forty. Which equation represents this?
luda_lava [24]

Answer:

6n + 12 =40

Step-by-step explanation:

5 0
3 years ago
A female executive selecting her wardrobe purchased three blazers, two blouses, and five skirts in coordinating colors. how many
Ainat [17]
She  can make a total of 30 different outfits, just multiply them all together.
7 0
3 years ago
Other questions:
  • 4d2e - d2e find difference
    9·2 answers
  • Destiny is an artist and earns $8.70 an hour during a regular workweek. Last week,
    12·1 answer
  • Can someone please please help me please
    13·1 answer
  • José and Maris work for different car dealerships. José earns a monthly salary of $3,500 plus a 8% commission on sales. Maris ea
    12·1 answer
  • Given the following right triangle, what is the measure of angle A?
    15·1 answer
  • Write 4x5 3/8 as a mixed number
    14·1 answer
  • HELP ALGEBRA IS KILLING ME IMAGE IS BELOW
    7·1 answer
  • Solve for u: 2(u + 6) - 8 > 3(u - 5)
    11·2 answers
  • A researcher studying microorganisms has discovered a strain of bacteria that doubles every 2.8 days. How many bacteria will the
    9·1 answer
  • HELP ME PLEASE ITS DUE TODAY!!!!
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!