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nikklg [1K]
3 years ago
8

~I ~ need ~ help ~ once ~ again~

Mathematics
1 answer:
ruslelena [56]3 years ago
8 0
A. 12pi meters.

Circumference = pi x diameter (pi x 12 = 12pi)
Diameter = 2 x radius (2 x 6 = 12)

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I don't understand how to solve. The question/task is to use this info to make a linear equation using the following equation fo
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Step-by-step explanation:

So in y=mx+b form

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EDIT:

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so m is 1/2

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4 0
3 years ago
Suppose that the height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning.
VARVARA [1.3K]

Answer:

h = a + b * t, this equation gives you the height of the candle after t hours, where:

h = height of the candle

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Step-by-step explanation:

In your problem says that the height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. This means that the independent variable is t (hours of burning) and the dependent variable is h (height of the candle).

A linear function has the following form:

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a is the constant term or the y intercept. It is the value of the dependent variable when x = 0.

b is the coefficient of the independent variable. It is also known as the slope and gives the rate of change of the dependent variable.

NOTE:

In order to find numerical values you need at least two points in order to find the slope (t1,h1), (t2,h2), with this equation:

b = \frac{h_{2} - h_{1}}{t_{2} - t_{1}\\ } \\

Next you find a when x = 0, y = a, where y is one of the points that you want to evaluate.

With these values you put them in this equation h = a + b * t and that's it! You will find the height of the candle after t hours.

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