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densk [106]
2 years ago
7

The diameter of a tree trunk is 23 inches. What is the circumference?

Mathematics
2 answers:
Nadusha1986 [10]2 years ago
6 0

Answer:

72.26

Step-by-step explanation:

Circumference formula is C=2\pir

Radius is 1/2 the diameter so, 23/2 = 11.5

11.5 will be your radius.

Now, plug your radius into your formula: 2 x \pi x 11.5

and your answer will be approximately 72.26.

Vera_Pavlovna [14]2 years ago
4 0
The Image is uploaded.

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A right cylinder has a radius of 3 and a height of 12. What is its surface area?
shepuryov [24]

Answer:

Surface Area = 283

Step-by-step explanation:

Radius = 3

Height = 12

Formula for suface area is SA= 2πrh+2πr^2

let "r" be for radius

let "h" be for height

SA=2*π*3*12+2*π*3^2

SA=282.74

round to the nearest ones spot and that will make the surface area = 283

8 0
3 years ago
Check image please help
Stells [14]

Answer:

Step-by-step explanation:

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2 years ago
What is 6 times 340 = ?
Debora [2.8K]

Answer:

6 x 340 = 2,040

Step-by-step explanation:

3 0
2 years ago
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Factor completely 5ax2 − 20x3 2a − 8x. (a 4x)(5x2 2) (a 4x)(5x2 − 2) (a − 4x)(5x2 2) (a − 4x)(5x2 − 2).
antiseptic1488 [7]

The complete factor of the polynomial 5ax² − 20x³ + 2a − 8x is (5x² + 2) (y − 4x). Then the correct option is C.

<h3>What is polynomial?</h3>

Polynomial is an algebraic expression that consists of variables and coefficients. Variable are called unknown. We can apply arithmetic operations such as addition, subtraction, etc. But not divisible by variable.

Factor completely 5ax² − 20x³ + 2a − 8x.

Take 5x² common from the first two terms and 2 from the last two terms. we have

5ax² − 20x³ + 2a − 8x

5x²(a − 4x) + 2 (a − 4x)

Take (a - 4) common, then we have

(5x² + 2) (y − 4x)

The complete factor of the polynomial 5ax² − 20x³ + 2a − 8x is (5x² + 2) (y − 4x). Then the correct option is C.

More about the polynomial link is given below.

brainly.com/question/17822016

8 0
2 years ago
A 17-foot ladder is leaning against a building. The base of the ladder is 8 feet
ss7ja [257]

Answer:

Pythagorean theorem:

x^2 = 17^2 - 8^2

x^2 = 225

x = sqrt(225) = 15

The distance is 15 ft

3 0
2 years ago
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