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Alex787 [66]
4 years ago
8

The radius of a circle measures 2 inches. what is the measure of its circumference?

Mathematics
1 answer:
S_A_V [24]4 years ago
6 0

Answer:

D) 12.56

Step-by-step explanation:

The radius is 2

C=2 3.14 r

= 12.56

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sergey [27]

see  the attached figure to better understand the problem

Let

2L---------> lenght side of hexagon


we know that

in one of those triangles

sin 30=1/2

sin 30=L/hypotenuse

solve for L

L=hypotenuse*sin 30-------->L=( 1 8 √ 3 )*(1 /2)------> L=9√3 units


Find the perimeter

perimeter=(2L)*6--------> L*12-------> Perimeter=9√3*12--------->108√3 units


therefore


the answer is

the perimeter of the regular hexagon is 108√3 units

5 0
4 years ago
How do you convert a percent to a fraction ?
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As we know a percentage is out of a hundred so we would start of by dividing by 100, if the percent is not a whole number then multiply both the bottom and top number by 10 for every number after the decimal point
7 0
3 years ago
What is 751,447 rounded to the nearest hundred thousand
Gnesinka [82]
The answer is 800,000

4 0
3 years ago
Read 2 more answers
Question 5 (1 point)
bearhunter [10]

Answer:

T(x)=84-2x

Step-by-step explanation:

Linear Modeling

The initial temperature outside is 84 degrees.

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That drop is subtracted from the initial temperature to produce the linear model as follows:

\mathbf{T(x)=84-2x}

This is the linear equation that represents the described situation.

5 0
3 years ago
An auto mechanic charges (C) an initial fee of $50 and then $40 per hour. If (h) represents hours, how much will the mechanic ch
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Now we solve for C

C = 50 + 400

C = 450

The auto mechanic charges $450 for 10 hours.

7 0
3 years ago
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