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laiz [17]
3 years ago
9

The radius of a circle is 9 centimeters what is the circles circumference

Mathematics
2 answers:
kifflom [539]3 years ago
8 0

Answer:

18π cm or 56.52cm

Step-by-step explanation:

Circumference = 2πr

2π(9)

18π

18π = 56.52

neonofarm [45]3 years ago
6 0

Answer:

56.55

Step-by-step explanation:

C=2πr=2·π·9≈56.54867

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Answer:

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8 0
3 years ago
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The graph of function g is a vertical stretch of the graph of function f ​​by a factor of 3. Which equation describes function g
anyanavicka [17]

Answer:


Step-by-step explanation:

A vertical stretch by a factor of k means that the point (x, y) on the graph of f (x) is transformed to the point (x, ky) on the graph of g(x), where k <1.

If k =1, then same graph we obtain and if k>1 we get a vertically shrink graph.

In our question, there is a vertical stretch of 3. This means new graph would have points as (x,y/3)

i.e. instead of f(x) = y, we have now f(x) = y/3

So transformation is g(x) = 3f(x)

Option A is correct.

2) Here f(x) = 3x+8 is transformed to g(x) =3x+6

i.e. y intercept is reduced by 2 units.  Hence there is a translation of 2 units down.


8 0
3 years ago
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Mrac [35]

Answer:

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