The radius of a circle is decreasing at a constant rate of 0.1 centimeter per second. In terms of the circumference C, what is t
he rate of change of the area of the circle, in square centimeters per second? a) -(0.2) pieC b) -(0.1)C c) -(0.1)C/2pie d) (0.1)^2C e) (0.1)^2pieC
1 answer:
Answer:
lol its a little difficult for me but the answer is B
Step-by-step explanation:
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128
Step-by-step explanation:
Answer:
It is equal to each other
Step-by-step explanation:
![\sqrt{\frac{1}{x^2}} = \frac{1}{x}\\\sqrt[3]{\frac{1}{x^3}} = \frac{1}{x}](https://tex.z-dn.net/?f=%5Csqrt%7B%5Cfrac%7B1%7D%7Bx%5E2%7D%7D%20%3D%20%5Cfrac%7B1%7D%7Bx%7D%5C%5C%5Csqrt%5B3%5D%7B%5Cfrac%7B1%7D%7Bx%5E3%7D%7D%20%3D%20%5Cfrac%7B1%7D%7Bx%7D)
Answer:
x=-3,x=9
Step-by-step explanation:
x^2-6x-20-7=0
x^2-6x-27=0
x^2-(9-3)x-27=0
x^2-9x+3x-27=0
x(x-9)+3(x-9)=0
(x+3)(x-9)=0
x=-3,x=9
Answer:
B
Step-by-step explanation:
B
