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Alla [95]
2 years ago
12

Help me please brainly

Mathematics
1 answer:
3241004551 [841]2 years ago
6 0

Step-by-step explanation:

1)

3x+3

2)

10+2x

3)

8x+24

4)

8a+8b+8c

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A storage container consists of a box of length 90cm, width 42 cm and height 34 cm, and a lid
Ivanshal [37]

Answer:

20079.05 cm^2,

Step-by-step explanation:

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Now find Surface area of the half cylinder:

The diameter of the 2 half circles = 42 so the radius = 21.

The area of the lid  

= 2 + 1/2 π (21)^2 + π r * 90

= 7323,052

Total = 20079.052

 

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8 0
3 years ago
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kondor19780726 [428]

Answer:

Step-by-step explanation:

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