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Pepsi [2]
3 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]3 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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What are the coordinates of the vertex of y = –x2 – 12x – 32?
BARSIC [14]

Answer:

The answer to your question is     Vertex = (-6 , 4)

Step-by-step explanation:

Data

Equation    y = -x² - 12x - 32

Process

1.- Add 32 units in both sides

                 y + 32 = -x² - 12x - 32 + 32

2.- Simplify

                 y + 32 = -x² - 12x

3.- Factor -1 in the right side

                 y + 32 = -(x² + 12x       )

4.- Complete the perfect square trinomial

                 y + 32 - 6²  = -(x² + 12x + 6²)

5.- Simplify

                 y + 32 - 36 = -(x + 6)²

                           y - 4 = -(x + 6)²

6.- Find the vertex

                          Vertex = (-6 , 4)

8 0
3 years ago
What is the y-intercept: y + 2 - X= 0
Nat2105 [25]
Try doing (0,-2) for the y intercept
5 0
2 years ago
Multiply 12x2y4z(-4x3y6z2)
mariarad [96]

Answer:

-48x^5 y^{10} z^3 should be the answer

Step-by-step explanation:

4 0
2 years ago
Of 15 possible​ books, you plan to take 6 with you on vacation. How many different collections of 6 books can you​ take?
Mekhanik [1.2K]

Answer:

5005

Step-by-step explanation:

6 C 15

(6, 15)

15! / (6! x 9!)

The answer is 5005

C is just a way to say the order the books are picked in is random and ! means factorial. Factorial is when you multiply all the previous numbers up to the number it is. For example, 5! = 1 x 2 x 3 x 4 x 5 and 2! = 1 x 2

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3 years ago
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jasenka [17]
-6,0
i hope this helps and the y intercept is
0,8
3 0
3 years ago
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