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A programme inspiring people of all ages and genders usually ends with a fashion show - NSC Mathematical Literacy - Question 4 - 2023 - Paper 2

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A programme inspiring people of all ages and genders usually ends with a fashion show. ANNEXURE B shows the layout of the runways and the seating arrangements at th... show full transcript

Worked Solution & Example Answer:A programme inspiring people of all ages and genders usually ends with a fashion show - NSC Mathematical Literacy - Question 4 - 2023 - Paper 2

Step 1

4.1.1 Write, in simplified form, the ratio of the width to the length of the raised runway.

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Answer

To find the ratio of the width to the length of the raised runway, we first identify the width as 4 feet. The length can be derived from the provided information. Using the ratio,

ext{Ratio} = rac{4 ext{ feet}}{24 ext{ feet}} = rac{1}{6}

Thus, the simplified form of the ratio is 1:61 : 6.

Step 2

4.1.2 Convert the length of the floor runway to metres.

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Answer

Given the length of the floor runway is 54 feet, we convert this to metres using the provided conversion factor:

ext{Length in metres} = rac{54 ext{ feet}}{3.28084} egin{aligned}= 16,459199... ext{ m} ext{ (approximately)} \\ ext{So,} ext{ the length of the floor runway is } 16,46 ext{ m.} \\ ext{} \\ ext{} \\ ext{(rounded to two decimal places)} \\ ext{} \\ 16,46 ext{ m} ext{ (rounded using decimal places.)} ext{ } \\ ext{} \\ ext{ } ext{ 16.46 m.}

Step 3

4.1.3 Give a possible reason for EACH of the following:

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Answer

4.1.3 (a) The second- and third-row seats are not arranged exactly behind the first-row seats as this arrangement mitigates obstruction caused by the first-row spectators.

4.1.3 (b) There is a gap between the two runways to allow for safe passage of people and to avoid potential collisions.

Step 4

4.1.4 (a) Calculate the area of the top of ONE round table.

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Answer

The radius of the round table is found by dividing the diameter by 2: ext{Radius} = rac{1,828 ext{ m}}{2} = 0,914 ext{ m} Then, substituting the radius in the area formula: extArea=3,142imes(0,914)2=2,627112extm2 ext{Area} = 3,142 imes (0,914)^2 = 2,627112 ext{ m}^2.

Step 5

4.1.4 (b) Determine the maximum length allocated to each person seated around the round table.

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Answer

First, calculate the circumference of the round table: extCircumference=3,142imes1,828=5,7460896extm. ext{Circumference} = 3,142 imes 1,828 = 5,7460896 ext{ m}. Then, to find the maximum length allocated to each person seated around the round table: ext{Length per person} = rac{5,7460896 ext{ m}}{10} = 0,57460896 ext{ m}.

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