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Morgarella [4.7K]
2 years ago
11

The equation C=2(3.14)r is the formula that relates the circumference of a circle to the radius. This gives us the ability to ca

lculate pi is we physically measure a circle's circumference and radius. Solve the equation for Pi to get the formula you would use to perform this activity.
Mathematics
1 answer:
DochEvi [55]2 years ago
7 0

Hello from MrBillDoesMath!

Answer:

r = C/6.28


Discussion:

Note that C = 2 * Pi * r is the exact formula. As Pi is approximately 3.14, the given formula, C = 2 (3.14) r, is an approximation.  Solving it for r:


C = 2(3.14) r               =>                as 2 * 3.14 = 6.28

C =  6.28 r                 =>                divide both sides by 6.28

r ( 6.28/6.28) = C/6.28 =>           as 6.28/6.28 = 1

r = C/6.28


Thank you,

MrB

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The value of x when the richter scale rating scale is 8.4 is 251188643.151

<h3>What is a richter scale?</h3>

A richter scale is a numerical scale that is used for expressing the magnitude of an earthquake in a geographical area

<h3>How the richter scale works?</h3>

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The formula of a richter scale is expressed as:

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Evaluate the exponent

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7 0
1 year ago
Fiona and Pip win some money and share it in the ratio 6:1. Fiona gets £35 more than Pip. How much did they get altogether?
Softa [21]

\boxed{ \mathfrak { question↷}}

Fiona and Pip win some money and share it in the ratio 6:1. Fiona gets £35 more than Pip. How much did they get altogether?

\red{ \rule{35pt}{2pt}} \orange{ \rule{35pt}{2pt}} \color{yellow}{ \rule{35pt} {2pt}} \green{ \rule{35pt} {2pt}} \blue{ \rule{35pt} {2pt}} \purple{ \rule{35pt} {2pt}}

\boxed{ \mathfrak { solution↷}}

Let Pip get be x and fiona get be x+35

Ratio = 6:1

\tt \frac{x + 35}{x }  = 6

\tt \: x + 35 = 6x

\tt \: 5x = 35

\tt \: x = 7

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2 years ago
The surface area of a square pyramid is 125 square feet. The base length is 5 feet. What is the slant height?
Mademuasel [1]

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so each triangle got 25ft²

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Step-by-step explanation:

the answer is $1,145.39

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