Answer:
Step-by-step explanation:
Area of the circle = 1400π
ie. πr^2 = 1400π . ie r^2 =1400. So r=10√14
Area A = πr^2.Differentiate w.r.t.t
dA/dt = 2πr. dr/dt
900 = 2×π×10√14 .dr/dt
So. dr/dt = 900/2×π×10√14 = 45/π√14 m/sec.
Hope this answer helps you :)
Have a great day
Mark brainliest
Answer:6
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
The multiplicative inverse of 1/2 is 2. To determine the multiplicative inverse of a number, we use the following rule: The multiplicative inverse...
Answer:
Step-by-step explanation:
A monthly service fee to download ebooks
A monthly service fee to download e-books is $4.95, plus $3.99 per book downloaded. Write an equation that represents the total cost, c, in a month when b books are downloaded.
Number 22 is 78.5 and number 26 is 4,o69
