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3 years ago

Find the radius of a circle with a circumference of 45 centimeters

Mathematics

1 answer:

Aleonysh [2.5K]3 years ago

7 0

Answer:

radius is 7.16

Step-by-step explanation:

The equation to find the radius of a circle is r=C/2 with C being the circumference, r being the radius

First, list known values

C=45
R=?

Second, plug into equation

r= 45/2 $\pi$

Third, Solve

r= 7.16
(Rounded to the hundredths)

I hope this helped and have a great day!

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ivann1987 [24]

The average rate of change over the interval (-3, 2) is 1

<h3>Average rate of change</h3>

The average rate of change of a function, graph, table or ordered pair is simply the slope of the relation

<h3>Interval</h3>

The interval is given as: (-3,2)

From the graph, we have:

f(-3) = -5
f(2) = 0

So, the average rate over these intervals is calculated as:

$m = \frac{f(b) - f(a)}{b -a}$

This gives

$m = \frac{f(-3) - f(2)}{-3 -2}$

Substitute known values

$m = \frac{-5- 0}{-3 -2}$

Simplify

$m = \frac{-5}{-5}\\\\$

$m =1$

Hence, the average rate of change is 1

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