3 years ago

The radius of a circle is 9cm. ind the circumference in cm. Write the answer in terms of pi.

Mathematics

2 answers:

____ [38]3 years ago

4 0

Answer:

the circumference is,18 pi

Step-by-step explanation:

the equation for circumference is C=2 pi r. r represents radius. just replace r with nine and solve

Dmitry [639]3 years ago

3 0

Answer:

Circumference of circle = 18π

Step-by-step explanation:

Circumference of circle = 2×π×r

Circumference of circle = 2×π×9

Circumference of circle = 18π

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maxonik [38]

Answer:

$h \leq 16$

Step-by-step explanation:

h + 4 ≤ 20

Subtract 4 from both sides.

h ≤ 20 − 4

Subtract 4 from 20 to get 16.

$h \leq 16$

Hope it helps and have a great day! =D

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2 years ago

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yKpoI14uk [10]

Answer: n= -1/2

Step-by-step explanation:

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3 years ago

Factor.<br><br> 10x^5 − 16x^4 + 4x^2

Licemer1 [7]

We have to find the GCD between 10, 16 and 4 and between x^5, x^4 and x^2

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3 years ago

A certain forest covers an area of 1700 km^2. Suppose that each year this area decreases by 3.25%. What will the area be after 6

Olenka [21]

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4 years ago

I need help with this

Darya [45]

Answer:

Step-by-step explanation:

We know that the two angles must add up to 90 which means that

12+x-2=90

solve for x

14+x=90

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8 0

3 years ago