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o-na [289]
2 years ago
11

Can anyone help me with this with easy tricks

Mathematics
1 answer:
Lorico [155]2 years ago
7 0

Answer:

1,120 cm³

Step-by-step explanation:

Hello!

<u>Think about it this way:</u> There is a rectangular prism, with lengths of 20cm, 12cm, and 10cm, and another rectangular prism cut out of it with lengths, of 8cm, 8cm, and 20cm.

<h3>Larger rectangular prism</h3>

Volume = L * W * H

  • V = 20cm * 12cm * 10cm
  • V =  2,400cm³

<h3>Cut-Out Rectangular Prism</h3>

V = L * W * H

  • V = 8cm * 8cm * 20cm
  • V = 1,280cm³

Subtract:

  • 2,400cm³ - 1,280cm³
  • 1,120cm³

The total volume is 1,120cm³

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The mass of sodium chloride required for 1. 8 × 10^3 people is 3. 6 × 10^5 grams. Option A is the correct answer.

<h3>How do you calculate the mass of sodium chloride required?</h3>

Given that weigh of the person is 50 KG. The mass of the sodium chloride in one person is given below.

1 \;\rm Person = 2\times 10^2\;\rm g

The mass of sodium chloride is calculated as given below.

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Hence we can conclude that the mass of sodium chloride required for 1. 8 × 10^3 people is 3. 6 × 10^5 grams. Option A is the correct answer.

To know more about the mass, follow the link given below.

brainly.com/question/15959704.

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Answer:

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Step-by-step explanation:

To solve this, we can set up a proportion.

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