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exis [7]
3 years ago
8

How can I write repeating decimals

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
4 0
A repeating decimal can be written like this

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I really need help with number 12
Usimov [2.4K]

Answer:

7.8125 gallons

Step-by-step explanation:

Because 5 gallons would cover 1600 square-foot wall so 1 gallon would cover:

1600 / 5 = 320 square-foot wall.

So to cover 2500 square foot-wall, we need in total of:

2500 / 320 = 7.8125 gallons of paint

Hope this can help you :3

5 0
3 years ago
How do you find the surface area for this shape?
fgiga [73]

Answer:

  • total area is the total of the areas of each of the rectangular surfaces
  • 67 units²

Step-by-step explanation:

Add up the surface areas of each of the 6 faces.

There are two top/bottom faces with the same area, two left/right faces with the same area, and two front/back faces with the same area. So you only need to figure the areas for 3 faces, then multiply that sum by 2. Of course the area of each rectangle is the product of its length and width. For length, width, and height dimensions L, W, and H, the total area is ...

A = 2(LW +WH +LH)

  = 2(LW +H(L+W)) . . . . . I like this form because there's one less multiplication

  = 2(5·4 + 1.5(5+4)) = 2(20 +13.5)

A = 67 . . . units²

_____

<em>Comment on dimensions</em>

It does not matter which number you use for length, width, or height. The problem is symmetrical that way, so any of the dimensions can be called any of those things. You need to use the same number consistently for height (for example) once you have made the choice of which is which.

3 0
3 years ago
When a constant force acts
yan [13]

Answer:

25

Step-by-step explanation:

First expression: A= k/M

when A = 15 and M = 5, k = A×M = 75

therefore, when M = 4, A = 75/3 = 25

7 0
2 years ago
PLEASE HELPP WILL MARKDOWN BRAINLIEST!!
Nastasia [14]

Answer:

it has infinite solutions because the lines wont end.

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
I need your help! Which one's are correct?!
dlinn [17]

Answer:

The first one and the last one

mark brainliest pls

8 0
3 years ago
Read 2 more answers
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