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3 years ago

What is the Circumference of a circle with a radius of 5? Use 3.14 for pi (show your work)

Mathematics

2 answers:

Pachacha [2.7K]3 years ago

7 0

Answer: 31.4

Step-by-step explanation:

C=2πr

2(3.14)(5)

2(15.7)

31.4

Oksanka [162]3 years ago

6 0

Answer:

31.42

Step-by-step explanation:

2·π·5≈31.41593

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Step-by-step explanation:

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3 years ago

Tory and Emilio's motorboat travel at the same speed. Tory pilots her boat 50 km before docking. Emilio continues for another 2

Harrizon [31]

1. You have that the speed is:

$V=\frac{d}{t}$

Where $d$ is the distance and $t$ is the time.

2. Tory pilots her boat $50 km$ before docking, therefore, his time is

$t1=\frac{50km}{V}$

3. Emilio continues for another $2 hours$ , with a total of $80 km$ before docking. Therefore, his time is:

$t2=(\frac{50km}{2} +2h)$

4. And his speed is:

$V=\frac{80km}{(\frac{50km}{V}+2h)}$

5. Solve for $V$ and substitute the value into the formula of Tory's time:

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The answer is: $3.33 hours$

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3 years ago

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Margarita [4]

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Step-by-step explanation:

The solution is in the attached

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