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bulgar [2K]
3 years ago
13

Serena is making a model of one of the Egyptian pyramids. The square base has sides that are all 4.8 in. Each of the triangular

faces has a base of 4.8 in and a height of 4.2 in. How much paper would it take to cover the entire pyramid?
Mathematics
1 answer:
nata0808 [166]3 years ago
6 0

Answer: 63.36 in

Step-by-step explanation: To find the area of the base its just 4.8x4.8= 23.04 and the area of the triangle is (4.8x4.2)/2= 10.08 multiply that by 4 since there are 4 sides thats 40.32 and add the area of the base making it 63.36

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Answer:

15 Kg cm²

Step-by-step explanation:

Given that V varies inversely with P then the equation relating them is

V = \frac{k}{P} ← k is the constant of variation

To find k use the condition

V = 360, P = 20, then

360 = \frac{k}{20} ( multiply both sides by 20 )

k = 7200

V = \frac{7200}{P} ← equation of variation

When V = 480, then

480 = \frac{7200}{P} ( multiply both sides by P )

480P = 7200 ( divide both sides by 480 )

P = 15

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3 years ago
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adelina 88 [10]

Answer:

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Step-by-step explanation:

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2 years ago
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Answer:

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<u>Let the fixed salary be x and the commission be y, then as per given, the earnings:</u>

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<u>Using the first equation:</u>

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