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Pepsi [2]
2 years ago
9

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
Mathematics
1 answer:
valentinak56 [21]2 years ago
8 0

Answer:

lol its a little difficult for me but the answer is B


Step-by-step explanation:


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Resuelve las siguientes ecuaciones: -x^2 - x =0 -X^2 + 12x = 0 3X^2 - 9x = 0 X^2 - 2x - 3 = 0
vaieri [72.5K]

Responder:

<em>a) 1 </em>

<em>b) 12 </em>

<em>c) 3 </em>

<em>d) -1 y 3 </em>

Explicación paso a paso:

Dadas las siguientes ecuaciones;

a) x²-x =0

x² = 0+x

x² = x

x = 1

b) -x²+12x = 0

-x² = -12x

x² = 12x

x = 12

c) 3x² - 9x = 0

Suma 9x a ambos lados

3x²-9x+9x = 0+9x

3x² = 9x

3x = 9

x = 9/3

x = 3

d) x²-2x-3 = 0

x²-3x+x-3 = 0

x(x-3)+1(x-3) = 0

(x+1)(x-3) = 0

x+1 = 0 y x-3 = 0

x = -1 y 3

4 0
2 years ago
Given ( 12 -13 17 -22) (x y)= (7 -51), what is |A y|?
maw [93]

Answer:

c

Step-by-step explanation:

the answer is c thats what igot

5 0
3 years ago
Need help fast I’m not sure how to solve so if you can include steps that’ll be appreciated
vichka [17]

Answer:

(6,1)

Step-by-step explanation:

you just have to substitute the numbers into the equation.

3(6) +9(1)=27

18 +9=27

27=27

6 0
2 years ago
1 over 4a = 2 over 3. Which of the following equals a in this equation?
ch4aika [34]
   1             2
------- =  --------
  4a           3

cross multiply
2(4a) = 1 * 3
8a = 3
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answer
<span>3 over 8</span>
6 0
3 years ago
Please select the best answer from the choices provided
Murrr4er [49]

Answer:

it would be b) √5

Step-by-step explanation:

4 0
3 years ago
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