An empty box weighs 200 g. The box is filled with birthday party goody bags and it now weighs 6.2 kg. Each goody bag weighs 150
1 answer:
Answer:
The number of goody bags inside the box=40
Step-by-step explanation:
Given the box weighs 200g
given the weight each goody bag be 150g.
Let the number of goody bag be x
Also given that the weight of the bag Long with the goody bags is 6.2Kg.
We know that 1Kg =1000 g.
So total weight==6200g
Total weight=weight of the bag + the number of goody bags * the weight of each goody bag.
Now
6200=200+
=40
Therefore there are 40 goody bags
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The surface area of the tent is 21.4 m²
Step-by-step explanation:
To find the surface area of a prism you must calculate:
1. The perimeter of the base
2. The area of the base
3. The height of the prism
We have a triangular prism:
Its base is an equilateral triangle of side length 2 m and height 1.7 m
The height of the prism is 3 m
∵ The surface are of the prism is:
S.A = perimeter of the base × height + 2 × area of the base
∵ The perimeter of the equilateral triangle = 3 × length of a side
∵ The length of the side = 2 m
∴ The perimeter of the base = 3 × 2 = 6 m
∵ The area of the triangle = × base × height
∵ The length of the base of the triangle = 2 m
∵ The height of the triangle = 1.7 m
∴ The area of the base = × 2 × 1.7 = 1.7 m²
∵ S.A = perimeter of the base × height + 2 × area of the base
∵ The perimeter of the base = 6 m
∵ The area of the base = 1.7 m²
∵ The height of the prism = 3 m
∴ S.A = 6 × 3 + 2 × 1.7
∴ S.A = 18 + 3.4
∴ S.A = 21.4 m²
The surface area of the tent is 21.4 m²
Learn more:
You can learn more about surface area of a solid in brainly.com/question/12613605
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