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Ne4ueva [31]
2 years ago
7

A debate team has 15 female members. the ratio of females to males is 3:2 how many males are on the debate team?

Mathematics
1 answer:
ch4aika [34]2 years ago
7 0
3 females      15 females
––––––––  =  –––––––––
2 males          n males
cross multiply
3n=15*2
3n=30
n=10
10 males
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There is a balcony that forms part of a circle around a stage, and they need to put up a safety railing. How long of a railing d
alexandr1967 [171]

A sector is a <u>part</u> of a <u>circle</u> that is formed by two<em> radii,</em> and an <em>arc</em>. So that the length of the <em>safety railing</em> required is 31.4 feet.

A sector is a <em>part </em>of a <u>circle</u> that is formed by two <u>radii</u>, and an <u>arc</u>, thus forming a <em>central</em> angle.

Thus the required <em>length</em> of safety railing can be considered as the <u>arc</u> of the<em> sector. </em>

So that;

<u>length</u> of an <u>arc</u> = (θ / 360^{o}) * 2\pir

where θ is the <u>measure</u> of the <em>central angle</em> of the sector, and r is the <u>radius</u> of the sector.

From the given question, θ = 45°, and r = 40 feet.

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<u>length</u> of the<em> safety railing </em>= (45° / 360^{o}) * 2 * 3.14 * 40

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<u>length</u> of <em>safety railing</em> = 31.4

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For more clarifications on the length of an arc, visit: brainly.com/question/2005046

#SPJ1

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