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Pachacha [2.7K]
3 years ago
6

What is the approximate circumference of Circle C? Use pi star times text   end text ≈ 3.14. Record your answer to the nearest h

undredth. m circle with a center point labeled C and a radius of four meters
Mathematics
1 answer:
Stels [109]3 years ago
7 0
Circumference of a circle is found with the equation

C = 2 × pi × r

where r is the radius. So for your problem...

C = 2 × 3.14 × 4
C = 25.12 meters
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Answer:

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Step-by-step explanation:

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3 years ago
A41.0m guy wire is attached to the top of a 32.8 m antenna and to a point on the ground. How far is the point on the ground from
Setler79 [48]

Answer:

Step-by-step explanation:

A right angle triangle is formed.

The length of the guy wire represents the hypotenuse of the right angle triangle.

The height of the antenna represents the opposite side of the right angle triangle.

The distance, h from base of the antenna to the point on the ground to which the antenna is attached represents the adjacent side of the triangle.

To determine h, we would apply Pythagoras theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side²

Therefore,

41² = 32.8² + h²

1681 = 1075.84 + h²

h² = 1681 - 1075.84 = 605.16

h = √605.16

h = 24.6 m

To determine the angle θ that the wire makes with the ground, we would apply the the cosine trigonometric ratio.

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Cos θ = 24.6/41 = 0.6

θ = Cos^-1(0.6)

θ = 53.1°

7 0
3 years ago
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natulia [17]

Answer:

p=0 or p=-7/15

Step-by-step explanation:

15p2+7p=0

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p=0 or 15p+7=0

4 0
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PLEASE HELP ASAP
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Answer:

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