Answer:
When you remove the 3 you subtract becuase in this case 3 is positive. subtract 3 from 3 then subtract 3 from -73.
Answer:
8πcm²/sec
Step-by-step explanation:
The radius of the circle increases at a rate of dr/dt = 0.25cm/sec
The radius of the circle r = 16cm
The area of the circle increases at a rate of dA/dt = ?
Area of a circle = πr²
We take the derivative with respect to t
dA/dt = 2πrdr/dt
dA/dt = 2 π (16)(0.25)
dA/dt = 8πcm²/sec
Thank you!!!
Answer:
6 sides
Step-by-step explanation:
Interior angle and exterior angle are linear pair.
Let exterior angle = x
x + 120 = 180
x = 180 - 120
x = 60
Number of sides (n) = 360 ÷ measurement of exterior angle
n = 360 ÷ 60
n = 6
Domain is the value of x
the demonimator cannot be zero
factor the denominator: (x^2-1)(x^2-4)≠0
factor again: (x+1)(x-1)(x+2)(x-2)≠0
x≠1,-1,2,-2
the domain is all real number except 1,-1,2,-2