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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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Match the real-world problem to its constant of proportionality.
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Answer:

6.12

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4.12

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Step-by-step explanation:

If y ∝ x, then y = kx.

So, the constant of proportionality is given by k = \frac{y}{x}

Case 1:

$18.36 for 3 pizzas

Therefore, the constant of proportionality is \frac{18.36}{3} = 6.12

Case 2:

$4.17 for 3 pounds of bananas.

Hence, the constant of proportionality is \frac{4.17}{3} = 1.39

Case 3:

$16.48 for 4 pounds of potatoes.

Hence, the constant of proportionality is \frac{16.48}{4} = 4.12

Case 4:

2 cups of flour to make 24 cookies.

Hence, the constant of proportionality is \frac{24}{2} = 12 (Answer)

7 0
3 years ago
WHAT WOULD THISSS BEEEEE ANYONEEE!
Eva8 [605]

Answer:

12

Step-by-step explanation:

12×12=144

12 squared equals 144 so square root is 12.

7 0
3 years ago
Read 2 more answers
Which of the following equations represents a graph that decreases?
almond37 [142]
D because it is a decimal (lower than 0)
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On your first draw, what is the probability of drawing a red card, without looking, from a shuffled deck containing 6 red cards,
Elis [28]
First divide 6/(6+6+8) =0.3
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3 years ago
Pls help i might give brainliest
zmey [24]

Answer:

60% I hope I help :) have a great day

6 0
3 years ago
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