3 years ago

How do I find circumerfence?

Mathematics

2 answers:

AleksAgata [21]3 years ago

4 0

Answer:To find the circumference of a circle, multiply the circle's diameter by pi (3.14).

Step-by-step explanation:

Elina [12.6K]3 years ago

3 0

Answer:

The formula for circumference is C= pi x d. The diameter is two times the radius (d= 2r or r= d/2). The value of pi is approximately 3.14.

Step-by-step explanation:

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Fill in the missing words

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Answer:

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Step-by-step explanation:

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3 years ago

Lester and kari are playing a number pattern game. kari wrote the following pattern. 45.5,49,52.5,__,59.5

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3 years ago

a car travels 54.9 miles in an hour. if the car continues at the same speed for 12hours,how many miles will it travel

Ilia_Sergeevich [38]

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3 years ago

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lbvjy [14]

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3 years ago

Read 2 more answers

The population of a local species of dragonfly can be found using an infinite geometric series where a1=42 and the common ratio

san4es73 [151]

$\bf \textit{sum of an infinite geometric serie}\\\\
\stackrel{for~~|r|\ \textless \ 1}{S=\sum\limits_{i=0}^{\infty}~a_1r^i\implies \cfrac{a_1}{1-r}}\qquad 
\begin{cases}
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=42\\
r=\frac{3}{4}
\end{cases}
\\\\\\
S=\cfrac{42}{1-\frac{3}{4}}\implies S=\cfrac{42}{\frac{1}{4}}\implies S=164$

bearing in mind that, the geometric sequence is "convergent" only when |r|<1, or namely "r" is a fraction between 0 and 1.

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3 years ago