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Travka [436]
3 years ago
6

What is the best estimate of the circumference of a circle with a diameter of 47 mm: a) 141mm b) 139mm c) 121mm d) 100mm

Mathematics
1 answer:
Marina86 [1]3 years ago
7 0
Using the formulasC=2π r
d=2r
Solving for C:
C=π
d=π·47≈147.65485mm

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Step-by-step explanation:

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3 years ago
Can you help me solve for x?
sergiy2304 [10]

Answer:

x = 12

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the opposite interior angles

10x-10 = 60 +4x+2

Combine like terms

10x-10 = 62+4x

Subtract 4x from each side

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Add 10 to each side

6x-10+10 = 62+10

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3 years ago
___________ are reported in the business section of magazines or newspapers, as well as online.​
aleksley [76]

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Step-by-step explanation:

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4 0
3 years ago
In △ABC, ∠ABC = 60 degrees .
ira [324]

A given<u> shape</u> that is <em>bounded</em> by three <u>sides</u> and has got three <em>internal angles</em> is referred to as a <u>triangle</u>. Thus the <em>value</em> of <u>PB</u> is 8.0 units.

A given <em>shape</em> that is <u>bounded</u> by three<em> sides</em> and has got three <em>internal angles</em> is referred to as a <u>triangl</u>e. Types of <u>triangles</u> include right angle triangle, isosceles triangle, equilateral triangle, acute angle triangle, etc. The sum of the<em> internal angles</em> of any <u>triangle</u> is 180^{o}.

In the given question, point<u> P</u> is <u>center</u> of the given <u>triangle</u> such that <APB = <APC = <BPC = 120^{o}. Such that <u>line</u> PB <em>bisects</em> <ABC into two <u>equal</u> measures of 30^{o}.

Thus;

<ABP = 30^{o}

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<ABP + <APB + <BAP = 180^{o}

30 + 120 + <BAP = 180^{o}

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Apply the <em>Sine rule</em> to determine the value of PB, such that;

\frac{a}{SinA} = \frac{b}{SinB}

\frac{8}{Sin 30} = \frac{PB}{Sin 30}

BP = \frac{8*Sin 30}{Sin 30}

    = 8

BP = 8.0

Therefore, the value of <u>PB</u> = 8 units.

For more clarifications on Sine rule, visit: brainly.com/question/27174058

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2 years ago
Order from greatest to least: 12, -4,8, -3, 0.
zimovet [89]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
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